10138765612 has 6 divisors (see below), whose sum is σ = 17742839828. Its totient is φ = 5069382804.

The previous prime is 10138765591. The next prime is 10138765613. The reversal of 10138765612 is 21656783101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10138765613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267345698 + ... + 1267345705.

Almost surely, 2^10138765612 is an apocalyptic number.

It is an amenable number.

10138765612 is a deficient number, since it is larger than the sum of its proper divisors (7604074216).

10138765612 is a wasteful number, since it uses less digits than its factorization.

10138765612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534691407 (or 2534691405 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 10138765612 in words is "ten billion, one hundred thirty-eight million, seven hundred sixty-five thousand, six hundred twelve".