213634436312 has 16 divisors (see below), whose sum is σ = 436979529000. Its totient is φ = 97106561920.

The previous prime is 213634436269. The next prime is 213634436341.

213634436312 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×213634436312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213831937 + ... + 1213832112.

Almost surely, 2^213634436312 is an apocalyptic number.

213634436312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213634436312 is an abundant number, since it is smaller than the sum of its proper divisors (223345092688).

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

213634436312 is a wasteful number, since it uses less digits than its factorization.

213634436312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427664066 (or 2427664062 counting only the distinct ones).

The product of its digits is 186624, while the sum is 38.

It can be divided in two parts, 213634 and 436312, that added together give a palindrome (649946).

The spelling of 213634436312 in words is "two hundred thirteen billion, six hundred thirty-four million, four hundred thirty-six thousand, three hundred twelve".