1312168370 has 32 divisors (see below), whose sum is σ = 2432120688. Its totient is φ = 509338368.

The previous prime is 1312168337. The next prime is 1312168379. The reversal of 1312168370 is 738612131.

It can be written as a sum of positive squares in 8 ways, for example, as 806503201 + 505665169 = 28399^2 + 22487^2 .

It is not an unprimeable number, because it can be changed into a prime (1312168379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142424 + ... + 151356.

Almost surely, 2^1312168370 is an apocalyptic number.

1312168370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312168370 is a deficient number, since it is larger than the sum of its proper divisors (1119952318).

1312168370 is a wasteful number, since it uses less digits than its factorization.

1312168370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1312168370 is about 36223.8646474945. The cubic root of 1312168370 is about 1094.7875626054.

The spelling of 1312168370 in words is "one billion, three hundred twelve million, one hundred sixty-eight thousand, three hundred seventy".