121023302312 has 16 divisors (see below), whose sum is σ = 247547664000. Its totient is φ = 55010591920.

The previous prime is 121023302297. The next prime is 121023302321. The reversal of 121023302312 is 213203320121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687632312 + ... + 687632487.

It is an arithmetic number, because the mean of its divisors is an integer number (15471729000).

Almost surely, 2^121023302312 is an apocalyptic number.

It is an amenable number.

121023302312 is an abundant number, since it is smaller than the sum of its proper divisors (126524361688).

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

121023302312 is a wasteful number, since it uses less digits than its factorization.

121023302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375264816 (or 1375264812 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121023302312 its reverse (213203320121), we get a palindrome (334226622433).

The spelling of 121023302312 in words is "one hundred twenty-one billion, twenty-three million, three hundred two thousand, three hundred twelve".