231220212432000 has 256 divisors, whose sum is σ = 836176370140800. Its totient is φ = 56053384704000.

The previous prime is 231220212431977. The next prime is 231220212432067. The reversal of 231220212432000 is 234212022132.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 31 ways as a sum of consecutive naturals, for example, 218430535 + ... + 219486534.

Almost surely, 2^{231220212432000} is an apocalyptic number.

231220212432000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231220212432000 is an abundant number, since it is smaller than the sum of its proper divisors (604956157708800).

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

231220212432000 is a wasteful number, since it uses less digits than its factorization.

231220212432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437917112 (or 437917090 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231220212432000 its reverse (234212022132), we get a palindrome (231454424454132).

The spelling of 231220212432000 in words is "two hundred thirty-one trillion, two hundred twenty billion, two hundred twelve million, four hundred thirty-two thousand".