1238782966272 has 120 divisors (see below), whose sum is σ = 3763380809760. Its totient is φ = 391194593280.

The previous prime is 1238782966207. The next prime is 1238782966297. The reversal of 1238782966272 is 2726692878321.

1238782966272 is a `hidden beast` number, since 1 + 2 + 3 + 8 + 78 + 296 + 6 + 272 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6987004 + ... + 7162107.

It is an arithmetic number, because the mean of its divisors is an integer number (31361506748).

Almost surely, 2^{1238782966272} is an apocalyptic number.

1238782966272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1238782966272 is an abundant number, since it is smaller than the sum of its proper divisors (2524597843488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1238782966272 is a wasteful number, since it uses less digits than its factorization.

1238782966272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14149154 (or 14149135 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 1238782966272 in words is "one trillion, two hundred thirty-eight billion, seven hundred eighty-two million, nine hundred sixty-six thousand, two hundred seventy-two".