213400112 has 20 divisors (see below), whose sum is σ = 414932520. Its totient is φ = 106320768.

The previous prime is 213400087. The next prime is 213400139. The reversal of 213400112 is 211004312.

It is a super-2 number, since 2×213400112² = 91079215603225088, which contains 22 as substring.

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, 19037 + ... + 28092.

It is an arithmetic number, because the mean of its divisors is an integer number (20746626).

Almost surely, 2^213400112 is an apocalyptic number.

It is an amenable number.

213400112 is a deficient number, since it is larger than the sum of its proper divisors (201532408).

213400112 is a wasteful number, since it uses less digits than its factorization.

213400112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47420 (or 47414 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 213400112 is about 14608.2206993186. The cubic root of 213400112 is about 597.5829726688.

Adding to 213400112 its reverse (211004312), we get a palindrome (424404424).

The spelling of 213400112 in words is "two hundred thirteen million, four hundred thousand, one hundred twelve".