121418051896 has 16 divisors (see below), whose sum is σ = 239640892200. Its totient is φ = 57513813984.

The previous prime is 121418051893. The next prime is 121418051903. The reversal of 121418051896 is 698150814121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121418051891) 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, 399401335 + ... + 399401638.

Almost surely, 2^121418051896 is an apocalyptic number.

It is an amenable number.

121418051896 is a deficient number, since it is larger than the sum of its proper divisors (118222840304).

121418051896 is a wasteful number, since it uses less digits than its factorization.

121418051896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798802998 (or 798802994 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 121418051896 in words is "one hundred twenty-one billion, four hundred eighteen million, fifty-one thousand, eight hundred ninety-six".