1249685204804 has 12 divisors (see below), whose sum is σ = 2302051693200. Its totient is φ = 591956149608.

The previous prime is 1249685204771. The next prime is 1249685204821. The reversal of 1249685204804 is 4084025869421.

It is a super-2 number, since 2×1249685204804² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8221613114 + ... + 8221613265.

It is an arithmetic number, because the mean of its divisors is an integer number (191837641100).

Almost surely, 2^{1249685204804} is an apocalyptic number.

It is an amenable number.

1249685204804 is a deficient number, since it is larger than the sum of its proper divisors (1052366488396).

1249685204804 is a wasteful number, since it uses less digits than its factorization.

1249685204804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16443226402 (or 16443226400 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 1249685204804 in words is "one trillion, two hundred forty-nine billion, six hundred eighty-five million, two hundred four thousand, eight hundred four".