1380637280812 has 24 divisors (see below), whose sum is σ = 2442096574400. Its totient is φ = 682930501776.

The previous prime is 1380637280801. The next prime is 1380637280833. The reversal of 1380637280812 is 2180827360831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4229862 + ... + 4544557.

Almost surely, 2^{1380637280812} is an apocalyptic number.

It is an amenable number.

1380637280812 is a deficient number, since it is larger than the sum of its proper divisors (1061459293588).

1380637280812 is a wasteful number, since it uses less digits than its factorization.

1380637280812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8774845 (or 8774843 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 1380637280812 in words is "one trillion, three hundred eighty billion, six hundred thirty-seven million, two hundred eighty thousand, eight hundred twelve".