2138311128412 has 6 divisors (see below), whose sum is σ = 3742044474728. Its totient is φ = 1069155564204.

The previous prime is 2138311128407. The next prime is 2138311128427. The reversal of 2138311128412 is 2148211138312.

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, 267288891048 + ... + 267288891055.

Almost surely, 2^{2138311128412} is an apocalyptic number.

It is an amenable number.

2138311128412 is a deficient number, since it is larger than the sum of its proper divisors (1603733346316).

2138311128412 is a wasteful number, since it uses less digits than its factorization.

2138311128412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534577782107 (or 534577782105 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The spelling of 2138311128412 in words is "two trillion, one hundred thirty-eight billion, three hundred eleven million, one hundred twenty-eight thousand, four hundred twelve".