1312005010 has 16 divisors (see below), whose sum is σ = 2373480000. Its totient is φ = 522164016.

The previous prime is 1312005001. The next prime is 1312005041. The reversal of 1312005010 is 105002131.

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, 327660 + ... + 331639.

It is an arithmetic number, because the mean of its divisors is an integer number (148342500).

Almost surely, 2^1312005010 is an apocalyptic number.

1312005010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312005010 is a deficient number, since it is larger than the sum of its proper divisors (1061474990).

1312005010 is a wasteful number, since it uses less digits than its factorization.

1312005010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659505.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1312005010 is about 36221.6097102268. The cubic root of 1312005010 is about 1094.7421284160.

Adding to 1312005010 its reverse (105002131), we get a palindrome (1417007141).

The spelling of 1312005010 in words is "one billion, three hundred twelve million, five thousand, ten".