121031220010032 has 120 divisors (see below), whose sum is σ = 339224255976320. Its totient is φ = 40283637672960.

The previous prime is 121031220010027. The next prime is 121031220010037. The reversal of 121031220010032 is 230010022130121.

121031220010032 is a `hidden beast` number, since 1 + 21 + 0 + 312 + 200 + 100 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (121031220010027) and next prime (121031220010037).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121031220009987 and 121031220010014.

It is not an unprimeable number, because it can be changed into a prime (121031220010037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297905658 + ... + 298311654.

Almost surely, 2^{121031220010032} is an apocalyptic number.

121031220010032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121031220010032 is an abundant number, since it is smaller than the sum of its proper divisors (218193035966288).

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

121031220010032 is a wasteful number, since it uses less digits than its factorization.

121031220010032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409091 (or 409082 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121031220010032 its reverse (230010022130121), we get a palindrome (351041242140153).

The spelling of 121031220010032 in words is "one hundred twenty-one trillion, thirty-one billion, two hundred twenty million, ten thousand, thirty-two".