212400047232 has 64 divisors (see below), whose sum is σ = 626875149600. Its totient is φ = 70800014592.

The previous prime is 212400047219. The next prime is 212400047239. The reversal of 212400047232 is 232740004212.

212400047232 is a `hidden beast` number, since 21 + 2 + 400 + 0 + 4 + 7 + 232 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×212400047232² (a number of 23 digits) contains 22 as substring.

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 = 212400047196 and 212400047205.

It is not an unprimeable number, because it can be changed into a prime (212400047239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30725718 + ... + 30732629.

Almost surely, 2^212400047232 is an apocalyptic number.

It is an amenable number.

212400047232 is an abundant number, since it is smaller than the sum of its proper divisors (414475102368).

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

212400047232 is an equidigital number, since it uses as much as digits as its factorization.

212400047232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61458370 (or 61458352 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The spelling of 212400047232 in words is "two hundred twelve billion, four hundred million, forty-seven thousand, two hundred thirty-two".