213086012 has 6 divisors (see below), whose sum is σ = 372900528. Its totient is φ = 106543004.

The previous prime is 213086009. The next prime is 213086017. The reversal of 213086012 is 210680312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213086017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26635748 + ... + 26635755.

It is an arithmetic number, because the mean of its divisors is an integer number (62150088).

Almost surely, 2^213086012 is an apocalyptic number.

It is an amenable number.

213086012 is a deficient number, since it is larger than the sum of its proper divisors (159814516).

213086012 is a wasteful number, since it uses less digits than its factorization.

213086012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53271507 (or 53271505 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 213086012 is about 14597.4659444713. The cubic root of 213086012 is about 597.2896379613.

The spelling of 213086012 in words is "two hundred thirteen million, eighty-six thousand, twelve".