213221424122312 has 16 divisors (see below), whose sum is σ = 399790367498700. Its totient is φ = 106610659456000.

The previous prime is 213221424122303. The next prime is 213221424122393.

It is a happy number.

213221424122312 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 212300810738116 + 920613384196 = 14570546^2 + 959486^2 .

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, 14699864 + ... + 25348152.

Almost surely, 2^{213221424122312} is an apocalyptic number.

It is an amenable number.

213221424122312 is a deficient number, since it is larger than the sum of its proper divisors (186568943376388).

213221424122312 is a wasteful number, since it uses less digits than its factorization.

213221424122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151296 (or 13151292 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The spelling of 213221424122312 in words is "two hundred thirteen trillion, two hundred twenty-one billion, four hundred twenty-four million, one hundred twenty-two thousand, three hundred twelve".