212400033432 has 32 divisors (see below), whose sum is σ = 558947457600. Its totient is φ = 67073694624.

The previous prime is 212400033397. The next prime is 212400033463. The reversal of 212400033432 is 234330004212.

It is a super-2 number, since 2×212400033432² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232894318 + ... + 232895229.

It is an arithmetic number, because the mean of its divisors is an integer number (17467108050).

Almost surely, 2^212400033432 is an apocalyptic number.

It is an amenable number.

212400033432 is an abundant number, since it is smaller than the sum of its proper divisors (346547424168).

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

212400033432 is a wasteful number, since it uses less digits than its factorization.

212400033432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465789575 (or 465789571 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 212400033432 its reverse (234330004212), we get a palindrome (446730037644).

The spelling of 212400033432 in words is "two hundred twelve billion, four hundred million, thirty-three thousand, four hundred thirty-two".