212212842918624 has 192 divisors, whose sum is σ = 654961871047680. Its totient is φ = 66709078571520.

The previous prime is 212212842918611. The next prime is 212212842918641. The reversal of 212212842918624 is 426819248212212.

212212842918624 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 1 + 2 + 8 + 4 + 2 + 9 + 1 + 8 + 624 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73793227 + ... + 76615050.

It is an arithmetic number, because the mean of its divisors is an integer number (3411259745040).

Almost surely, 2^{212212842918624} is an apocalyptic number.

212212842918624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212212842918624 is an abundant number, since it is smaller than the sum of its proper divisors (442749028129056).

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

212212842918624 is a wasteful number, since it uses less digits than its factorization.

212212842918624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150408390 (or 150408376 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The spelling of 212212842918624 in words is "two hundred twelve trillion, two hundred twelve billion, eight hundred forty-two million, nine hundred eighteen thousand, six hundred twenty-four".