1312302000 has 80 divisors (see below), whose sum is σ = 4230880992. Its totient is φ = 349945600.

The previous prime is 1312301987. The next prime is 1312302011. The reversal of 1312302000 is 2032131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 103359 + ... + 115358.

Almost surely, 2^1312302000 is an apocalyptic number.

1312302000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312302000 is an abundant number, since it is smaller than the sum of its proper divisors (2918578992).

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

1312302000 is a wasteful number, since it uses less digits than its factorization.

1312302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218743 (or 218727 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1312302000 is about 36225.7091027905. The cubic root of 1312302000 is about 1094.8247253911.

Adding to 1312302000 its reverse (2032131), we get a palindrome (1314334131).

The spelling of 1312302000 in words is "one billion, three hundred twelve million, three hundred two thousand".