121877282996 has 24 divisors (see below), whose sum is σ = 246032652096. Its totient is φ = 51744960000.

The previous prime is 121877282987. The next prime is 121877283097. The reversal of 121877282996 is 699282778121.

It is a super-2 number, since 2×121877282996² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20337005 + ... + 20342996.

It is an arithmetic number, because the mean of its divisors is an integer number (10251360504).

Almost surely, 2^121877282996 is an apocalyptic number.

It is an amenable number.

121877282996 is an abundant number, since it is smaller than the sum of its proper divisors (124155369100).

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

121877282996 is a wasteful number, since it uses less digits than its factorization.

121877282996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40680119 (or 40680117 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 62.

The spelling of 121877282996 in words is "one hundred twenty-one billion, eight hundred seventy-seven million, two hundred eighty-two thousand, nine hundred ninety-six".