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12212011101012 = 2234612207521891
BaseRepresentation
bin1011000110110101010010…
…0101010110101101010100
31121020110100001100221100220
42301231110211112231110
53100040144320213022
641550042003434340
72400201006436512
oct261552445265524
947213301327326
1012212011101012
1139890a2999a68
1214529299859b0
136a778425c308
143030c8d6b4b2
151629e0aa985c
hexb1b54956b54

12212011101012 has 24 divisors (see below), whose sum is σ = 28556503194912. Its totient is φ = 4061840277600.

The previous prime is 12212011100953. The next prime is 12212011101023. The reversal of 12212011101012 is 21010111021221.

It is a happy number.

12212011101012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12212011100982 and 12212011101000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103755414 + ... + 1103766477.

It is an arithmetic number, because the mean of its divisors is an integer number (1189854299788).

Almost surely, 212212011101012 is an apocalyptic number.

12212011101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212011101012 is an abundant number, since it is smaller than the sum of its proper divisors (16344492093900).

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

12212011101012 is a wasteful number, since it uses less digits than its factorization.

12212011101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207522359 (or 2207522357 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12212011101012 its reverse (21010111021221), we get a palindrome (33222122122233).

The spelling of 12212011101012 in words is "twelve trillion, two hundred twelve billion, eleven million, one hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 461 922 1383 1844 2766 5532 2207521891 4415043782 6622565673 8830087564 13245131346 26490262692 1017667591751 2035335183502 3053002775253 4070670367004 6106005550506 12212011101012