213233113312 has 24 divisors (see below), whose sum is σ = 421977847536. Its totient is φ = 106064136192.

The previous prime is 213233113309. The next prime is 213233113351. The reversal of 213233113312 is 213311332312.

It is a super-2 number, since 2×213233113312² (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, 17256868 + ... + 17269219.

It is an arithmetic number, because the mean of its divisors is an integer number (17582410314).

Almost surely, 2^213233113312 is an apocalyptic number.

It is an amenable number.

213233113312 is a deficient number, since it is larger than the sum of its proper divisors (208744734224).

213233113312 is a wasteful number, since it uses less digits than its factorization.

213233113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34526290 (or 34526282 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

Adding to 213233113312 its reverse (213311332312), we get a palindrome (426544445624).

The spelling of 213233113312 in words is "two hundred thirteen billion, two hundred thirty-three million, one hundred thirteen thousand, three hundred twelve".