1249982211944 has 32 divisors (see below), whose sum is σ = 2357454240000. Its totient is φ = 621336485952.

The previous prime is 1249982211941. The next prime is 1249982211967. The reversal of 1249982211944 is 4491122899421.

It is a self number, because there is not a number n which added to its sum of digits gives 1249982211944.

It is not an unprimeable number, because it can be changed into a prime (1249982211941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599582 + ... + 1690994.

It is an arithmetic number, because the mean of its divisors is an integer number (73670445000).

Almost surely, 2^{1249982211944} is an apocalyptic number.

It is an amenable number.

1249982211944 is a deficient number, since it is larger than the sum of its proper divisors (1107472028056).

1249982211944 is a wasteful number, since it uses less digits than its factorization.

1249982211944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092257 (or 1092253 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 56.

The spelling of 1249982211944 in words is "one trillion, two hundred forty-nine billion, nine hundred eighty-two million, two hundred eleven thousand, nine hundred forty-four".