121431032212230 has 80 divisors (see below), whose sum is σ = 351631057410864. Its totient is φ = 29890715618880.

The previous prime is 121431032212219. The next prime is 121431032212249. The reversal of 121431032212230 is 32212230134121.

121431032212230 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 310 + 322 + 1 + 2 + 23 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 121431032212194 and 121431032212203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5765945416 + ... + 5765966475.

Almost surely, 2^{121431032212230} is an apocalyptic number.

121431032212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121431032212230 is an abundant number, since it is smaller than the sum of its proper divisors (230200025198634).

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

121431032212230 is a wasteful number, since it uses less digits than its factorization.

121431032212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531911923 (or 11531911914 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 121431032212230 its reverse (32212230134121), we get a palindrome (153643262346351).

The spelling of 121431032212230 in words is "one hundred twenty-one trillion, four hundred thirty-one billion, thirty-two million, two hundred twelve thousand, two hundred thirty".