1312033129 has 12 divisors (see below), whose sum is σ = 1451021488. Its totient is φ = 1185422040.

The previous prime is 1312033013. The next prime is 1312033139. The reversal of 1312033129 is 9213302131.

It is not a de Polignac number, because 1312033129 - 2¹³ = 1312024937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312033139) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13539 + ... + 52984.

Almost surely, 2^1312033129 is an apocalyptic number.

It is an amenable number.

1312033129 is a deficient number, since it is larger than the sum of its proper divisors (138988359).

1312033129 is a wasteful number, since it uses less digits than its factorization.

1312033129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66708 (or 66697 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1312033129 is about 36221.9978604163. The cubic root of 1312033129 is about 1094.7499492281.

The spelling of 1312033129 in words is "one billion, three hundred twelve million, thirty-three thousand, one hundred twenty-nine".