213412012 has 12 divisors (see below), whose sum is σ = 407423016. Its totient is φ = 97005440.

The previous prime is 213411959. The next prime is 213412019. The reversal of 213412012 is 210214312.

It is not an unprimeable number, because it can be changed into a prime (213412019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2425093 + ... + 2425180.

It is an arithmetic number, because the mean of its divisors is an integer number (33951918).

Almost surely, 2^213412012 is an apocalyptic number.

213412012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213412012 is a deficient number, since it is larger than the sum of its proper divisors (194011004).

213412012 is a wasteful number, since it uses less digits than its factorization.

213412012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850288 (or 4850286 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 213412012 is about 14608.6279985494. The cubic root of 213412012 is about 597.5940802937.

Adding to 213412012 its reverse (210214312), we get a palindrome (423626324).

The spelling of 213412012 in words is "two hundred thirteen million, four hundred twelve thousand, twelve".