121010122011012 has 96 divisors (see below), whose sum is σ = 322226848403712. Its totient is φ = 35015000457216.

The previous prime is 121010122010983. The next prime is 121010122011013. The reversal of 121010122011012 is 210110221010121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121010122010982 and 121010122011000.

It is not an unprimeable number, because it can be changed into a prime (121010122011013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15411453 + ... + 21898244.

It is an arithmetic number, because the mean of its divisors is an integer number (3356529670872).

Almost surely, 2^{121010122011012} is an apocalyptic number.

121010122011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121010122011012 is an abundant number, since it is smaller than the sum of its proper divisors (201216726392700).

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

121010122011012 is a wasteful number, since it uses less digits than its factorization.

121010122011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37310957 (or 37310955 counting only the distinct ones).

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

Adding to 121010122011012 its reverse (210110221010121), we get a palindrome (331120343021133).

The spelling of 121010122011012 in words is "one hundred twenty-one trillion, ten billion, one hundred twenty-two million, eleven thousand, twelve".