212339606544 has 150 divisors (see below), whose sum is σ = 665484437706. Its totient is φ = 65335196160.

The previous prime is 212339606527. The next prime is 212339606551. The reversal of 212339606544 is 445606933212.

212339606544 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 39 + 606 + 5 + 4 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 26244000000 + 186095606544 = 162000^2 + 431388^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212339606544.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 265717 + ... + 703764.

Almost surely, 2^212339606544 is an apocalyptic number.

212339606544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212339606544 is an abundant number, since it is smaller than the sum of its proper divisors (453144831162).

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

212339606544 is a wasteful number, since it uses less digits than its factorization.

212339606544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969527 (or 969499 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 212339606544 in words is "two hundred twelve billion, three hundred thirty-nine million, six hundred six thousand, five hundred forty-four".