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12210023132028 = 2233179631596479
BaseRepresentation
bin1011000110101101111000…
…0101110110101101111100
31121020021012111122122121000
42301223132011312231330
53100022111410211103
641545112430410300
72400100520123541
oct261533605665574
947207174578530
1012210023132028
11398827281a497
121452474060990
136a75284380c7
14302d7ad24bc8
151629262c1aa3
hexb1ade176b7c

12210023132028 has 48 divisors (see below), whose sum is σ = 31832462592000. Its totient is φ = 4047270231024.

The previous prime is 12210023131981. The next prime is 12210023132029. The reversal of 12210023132028 is 82023132001221.

12210023132028 is a `hidden beast` number, since 1 + 2 + 2 + 100 + 231 + 320 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12210023131992 and 12210023132010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210023132029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315778908 + ... + 315817571.

It is an arithmetic number, because the mean of its divisors is an integer number (663176304000).

Almost surely, 212210023132028 is an apocalyptic number.

12210023132028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12210023132028 is an abundant number, since it is smaller than the sum of its proper divisors (19622439459972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12210023132028 is a wasteful number, since it uses less digits than its factorization.

12210023132028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631596671 (or 631596663 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 12210023132028 its reverse (82023132001221), we get a palindrome (94233155133249).

The spelling of 12210023132028 in words is "twelve trillion, two hundred ten billion, twenty-three million, one hundred thirty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 179 358 537 716 1074 1611 2148 3222 4833 6444 9666 19332 631596479 1263192958 1894789437 2526385916 3789578874 5684368311 7579157748 11368736622 17053104933 22737473244 34106209866 68212419732 113055769741 226111539482 339167309223 452223078964 678334618446 1017501927669 1356669236892 2035003855338 3052505783007 4070007710676 6105011566014 12210023132028