1296687875370 has 16 divisors (see below), whose sum is σ = 3112050900960. Its totient is φ = 345783433424.

The previous prime is 1296687875369. The next prime is 1296687875381. The reversal of 1296687875370 is 735787866921.

It is a super-2 number, since 2×1296687875370² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1296687875295 and 1296687875304.

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, 21611464560 + ... + 21611464619.

It is an arithmetic number, because the mean of its divisors is an integer number (194503181310).

Almost surely, 2^{1296687875370} is an apocalyptic number.

1296687875370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1296687875370 is an abundant number, since it is smaller than the sum of its proper divisors (1815363025590).

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

1296687875370 is a wasteful number, since it uses less digits than its factorization.

1296687875370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43222929189.

The product of its (nonzero) digits is 213373440, while the sum is 69.

The spelling of 1296687875370 in words is "one trillion, two hundred ninety-six billion, six hundred eighty-seven million, eight hundred seventy-five thousand, three hundred seventy".