121994183076 has 24 divisors (see below), whose sum is σ = 284705890560. Its totient is φ = 40657185312.

The previous prime is 121994183057. The next prime is 121994183093. The reversal of 121994183076 is 670381499121.

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, 875211 + ... + 1004978.

It is an arithmetic number, because the mean of its divisors is an integer number (11862745440).

Almost surely, 2^121994183076 is an apocalyptic number.

It is an amenable number.

121994183076 is an abundant number, since it is smaller than the sum of its proper divisors (162711707484).

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

121994183076 is a wasteful number, since it uses less digits than its factorization.

121994183076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885603 (or 1885601 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 121994183076 in words is "one hundred twenty-one billion, nine hundred ninety-four million, one hundred eighty-three thousand, seventy-six".