213234412 has 6 divisors (see below), whose sum is σ = 373160228. Its totient is φ = 106617204.

The previous prime is 213234409. The next prime is 213234431. The reversal of 213234412 is 214432312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26654298 + ... + 26654305.

Almost surely, 2^213234412 is an apocalyptic number.

It is an amenable number.

213234412 is a deficient number, since it is larger than the sum of its proper divisors (159925816).

213234412 is a wasteful number, since it uses less digits than its factorization.

213234412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53308607 (or 53308605 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 213234412 is about 14602.5481338019. The cubic root of 213234412 is about 597.4282630681.

Adding to 213234412 its reverse (214432312), we get a palindrome (427666724).

The spelling of 213234412 in words is "two hundred thirteen million, two hundred thirty-four thousand, four hundred twelve".