1290312984276 has 24 divisors (see below), whose sum is σ = 3345255885440. Its totient is φ = 430104328056.

The previous prime is 1290312984269. The next prime is 1290312984293. The reversal of 1290312984276 is 6724892130921.

1290312984276 is a `hidden beast` number, since 1 + 2 + 90 + 3 + 129 + 8 + 427 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 5973671116 + ... + 5973671331.

Almost surely, 2^{1290312984276} is an apocalyptic number.

It is an amenable number.

1290312984276 is an abundant number, since it is smaller than the sum of its proper divisors (2054942901164).

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

1290312984276 is a wasteful number, since it uses less digits than its factorization.

1290312984276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11947342460 (or 11947342452 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 1290312984276 in words is "one trillion, two hundred ninety billion, three hundred twelve million, nine hundred eighty-four thousand, two hundred seventy-six".