212031214400 has 84 divisors (see below), whose sum is σ = 549188822880. Its totient is φ = 80348659200.

The previous prime is 212031214393. The next prime is 212031214411. The reversal of 212031214400 is 4412130212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3456956 + ... + 3517755.

Almost surely, 2^212031214400 is an apocalyptic number.

212031214400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212031214400 is an abundant number, since it is smaller than the sum of its proper divisors (337157608480).

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

212031214400 is a wasteful number, since it uses less digits than its factorization.

212031214400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974752 (or 6974737 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212031214400 its reverse (4412130212), we get a palindrome (216443344612).

The spelling of 212031214400 in words is "two hundred twelve billion, thirty-one million, two hundred fourteen thousand, four hundred".