121498152120 has 64 divisors (see below), whose sum is σ = 404993844000. Its totient is φ = 32399506944.

The previous prime is 121498152049. The next prime is 121498152163. The reversal of 121498152120 is 21251894121.

121498152120 is a `hidden beast` number, since 1 + 2 + 1 + 498 + 152 + 12 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56248065 + ... + 56250224.

Almost surely, 2^121498152120 is an apocalyptic number.

121498152120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121498152120 is an abundant number, since it is smaller than the sum of its proper divisors (283495691880).

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

121498152120 is a wasteful number, since it uses less digits than its factorization.

121498152120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112498309 (or 112498299 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 121498152120 in words is "one hundred twenty-one billion, four hundred ninety-eight million, one hundred fifty-two thousand, one hundred twenty".