1249854631216 has 40 divisors (see below), whose sum is σ = 2478855343104. Its totient is φ = 610211734080.

The previous prime is 1249854631187. The next prime is 1249854631241. The reversal of 1249854631216 is 6121364589421.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604010 + ... + 2252233.

Almost surely, 2^{1249854631216} is an apocalyptic number.

1249854631216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1249854631216 is a deficient number, since it is larger than the sum of its proper divisors (1229000711888).

1249854631216 is a wasteful number, since it uses less digits than its factorization.

1249854631216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856729 (or 3856723 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 1249854631216 in words is "one trillion, two hundred forty-nine billion, eight hundred fifty-four million, six hundred thirty-one thousand, two hundred sixteen".