213135674412 has 24 divisors (see below), whose sum is σ = 497324363200. Its totient is φ = 71044112016.

The previous prime is 213135674399. The next prime is 213135674417. The reversal of 213135674412 is 214476531312.

It is not an unprimeable number, because it can be changed into a prime (213135674417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101639 + ... + 1280577.

Almost surely, 2^213135674412 is an apocalyptic number.

It is an amenable number.

213135674412 is an abundant number, since it is smaller than the sum of its proper divisors (284188688788).

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

213135674412 is a wasteful number, since it uses less digits than its factorization.

213135674412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278205 (or 278203 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The spelling of 213135674412 in words is "two hundred thirteen billion, one hundred thirty-five million, six hundred seventy-four thousand, four hundred twelve".