13121011122012 has 36 divisors (see below), whose sum is σ = 33172408851400. Its totient is φ = 4372957163232.

The previous prime is 13121011122007. The next prime is 13121011122059. The reversal of 13121011122012 is 21022111012131.

It is a happy number.

13121011122012 is a `hidden beast` number, since 1 + 312 + 10 + 111 + 220 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29493262 + ... + 29934837.

Almost surely, 2^{13121011122012} is an apocalyptic number.

13121011122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13121011122012 is an abundant number, since it is smaller than the sum of its proper divisors (20051397729388).

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

13121011122012 is a wasteful number, since it uses less digits than its factorization.

13121011122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59434242 (or 59434237 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 13121011122012 its reverse (21022111012131), we get a palindrome (34143122134143).

The spelling of 13121011122012 in words is "thirteen trillion, one hundred twenty-one billion, eleven million, one hundred twenty-two thousand, twelve".