212544135026 has 12 divisors (see below), whose sum is σ = 338673267978. Its totient is φ = 100020769152.

The previous prime is 212544135017. The next prime is 212544135029. The reversal of 212544135026 is 620531445212.

It can be written as a sum of positive squares in 3 ways, for example, as 171416700625 + 41127434401 = 414025^2 + 202799^2 .

It is not an unprimeable number, because it can be changed into a prime (212544135029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183861131 + ... + 183862286.

Almost surely, 2^212544135026 is an apocalyptic number.

212544135026 is a deficient number, since it is larger than the sum of its proper divisors (126129132952).

212544135026 is a wasteful number, since it uses less digits than its factorization.

212544135026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367723453 (or 367723436 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 212544135026 in words is "two hundred twelve billion, five hundred forty-four million, one hundred thirty-five thousand, twenty-six".