1312123010 has 32 divisors (see below), whose sum is σ = 2578882752. Its totient is φ = 476700480.

The previous prime is 1312122983. The next prime is 1312123061. The reversal of 1312123010 is 103212131.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 131249 + ... + 140891.

It is an arithmetic number, because the mean of its divisors is an integer number (80590086).

Almost surely, 2^1312123010 is an apocalyptic number.

1312123010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312123010 is a deficient number, since it is larger than the sum of its proper divisors (1266759742).

1312123010 is a wasteful number, since it uses less digits than its factorization.

1312123010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10898.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1312123010 is about 36223.2385355037. The cubic root of 1312123010 is about 1094.7749473198.

Adding to 1312123010 its reverse (103212131), we get a palindrome (1415335141).

The spelling of 1312123010 in words is "one billion, three hundred twelve million, one hundred twenty-three thousand, ten".