121352023992 has 16 divisors (see below), whose sum is σ = 303380060040. Its totient is φ = 40450674656.

The previous prime is 121352023981. The next prime is 121352023993. The reversal of 121352023992 is 299320253121.

It is a self number, because there is not a number n which added to its sum of digits gives 121352023992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121352023993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528167143 + ... + 2528167190.

Almost surely, 2^121352023992 is an apocalyptic number.

121352023992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121352023992 is an abundant number, since it is smaller than the sum of its proper divisors (182028036048).

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

121352023992 is a wasteful number, since it uses less digits than its factorization.

121352023992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056334342 (or 5056334338 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 121352023992 in words is "one hundred twenty-one billion, three hundred fifty-two million, twenty-three thousand, nine hundred ninety-two".