1213387870204 has 6 divisors (see below), whose sum is σ = 2123428772864. Its totient is φ = 606693935100.

The previous prime is 1213387870187. The next prime is 1213387870217. The reversal of 1213387870204 is 4020787833121.

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, 151673483772 + ... + 151673483779.

Almost surely, 2^{1213387870204} is an apocalyptic number.

It is an amenable number.

1213387870204 is a deficient number, since it is larger than the sum of its proper divisors (910040902660).

1213387870204 is a wasteful number, since it uses less digits than its factorization.

1213387870204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303346967555 (or 303346967553 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 1213387870204 in words is "one trillion, two hundred thirteen billion, three hundred eighty-seven million, eight hundred seventy thousand, two hundred four".