212031440300 has 36 divisors (see below), whose sum is σ = 463731152640. Its totient is φ = 84144755520.

The previous prime is 212031440297. The next prime is 212031440351. The reversal of 212031440300 is 3044130212.

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

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, 8334995 + ... + 8360394.

Almost surely, 2^212031440300 is an apocalyptic number.

212031440300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212031440300 is an abundant number, since it is smaller than the sum of its proper divisors (251699712340).

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

212031440300 is a wasteful number, since it uses less digits than its factorization.

212031440300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16695530 (or 16695523 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212031440300 its reverse (3044130212), we get a palindrome (215075570512).

The spelling of 212031440300 in words is "two hundred twelve billion, thirty-one million, four hundred forty thousand, three hundred".