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12122010131000 = 2353711383411041
BaseRepresentation
bin1011000001100110000000…
…0110111001101000111000
31120220212000201122221122012
42300121200012321220320
53042101334043143000
641440435150345052
72360533466013110
oct260314006715070
946825021587565
1012122010131000
113953a08776110
1214393b07bb188
1369c14018a683
142dc9cbc9a040
151604c45da735
hexb06601b9a38

12122010131000 has 256 divisors, whose sum is σ = 35457206353920. Its totient is φ = 3768414720000.

The previous prime is 12122010130913. The next prime is 12122010131017. The reversal of 12122010131000 is 13101022121.

It is a super-2 number, since 2×121220101310002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29285480 + ... + 29696520.

It is an arithmetic number, because the mean of its divisors is an integer number (138504712320).

Almost surely, 212122010131000 is an apocalyptic number.

12122010131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122010131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17728603176960).

12122010131000 is an abundant number, since it is smaller than the sum of its proper divisors (23335196222920).

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

12122010131000 is a wasteful number, since it uses less digits than its factorization.

12122010131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411463 (or 411449 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12122010131000 its reverse (13101022121), we get a palindrome (12135111153121).

The spelling of 12122010131000 in words is "twelve trillion, one hundred twenty-two billion, ten million, one hundred thirty-one thousand".