213113012 has 12 divisors (see below), whose sum is σ = 426226080. Its totient is φ = 91334136.

The previous prime is 213112981. The next prime is 213113051. The reversal of 213113012 is 210311312.

213113012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

213113012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 3805562 + ... + 3805617.

It is an arithmetic number, because the mean of its divisors is an integer number (35518840).

Almost surely, 2^213113012 is an apocalyptic number.

It is an amenable number.

213113012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213113012 is a wasteful number, since it uses less digits than its factorization.

213113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611190 (or 7611188 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 213113012 is about 14598.3907332281. The cubic root of 213113012 is about 597.3148642991.

Adding to 213113012 its reverse (210311312), we get a palindrome (423424324).

The spelling of 213113012 in words is "two hundred thirteen million, one hundred thirteen thousand, twelve".