121021122012 has 96 divisors (see below), whose sum is σ = 324398452224. Its totient is φ = 34398259200.

The previous prime is 121021121957. The next prime is 121021122049. The reversal of 121021122012 is 210221120121.

121021122012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121021122012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021121982 and 121021122000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24148587 + ... + 24153597.

It is an arithmetic number, because the mean of its divisors is an integer number (3379150544).

Almost surely, 2^121021122012 is an apocalyptic number.

121021122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121021122012 is an abundant number, since it is smaller than the sum of its proper divisors (203377330212).

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

121021122012 is a wasteful number, since it uses less digits than its factorization.

121021122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459 (or 6457 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121021122012 its reverse (210221120121), we get a palindrome (331242242133).

The spelling of 121021122012 in words is "one hundred twenty-one billion, twenty-one million, one hundred twenty-two thousand, twelve".