212013636404404 has 6 divisors (see below), whose sum is σ = 371023863707714. Its totient is φ = 106006818202200.

The previous prime is 212013636404347. The next prime is 212013636404447. The reversal of 212013636404404 is 404404636310212.

It can be written as a sum of positive squares in only one way, i.e., 144125067144100 + 67888569260304 = 12005210^2 + 8239452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26501704550547 + ... + 26501704550554.

Almost surely, 2^{212013636404404} is an apocalyptic number.

It is an amenable number.

212013636404404 is a deficient number, since it is larger than the sum of its proper divisors (159010227303310).

212013636404404 is a wasteful number, since it uses less digits than its factorization.

212013636404404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53003409101105 (or 53003409101103 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 212013636404404 in words is "two hundred twelve trillion, thirteen billion, six hundred thirty-six million, four hundred four thousand, four hundred four".