1312010012 has 6 divisors (see below), whose sum is σ = 2296017528. Its totient is φ = 656005004.

The previous prime is 1312009997. The next prime is 1312010017. The reversal of 1312010012 is 2100102131.

It is a junction number, because it is equal to n+sod(n) for n = 1312009975 and 1312010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312010017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164001248 + ... + 164001255.

It is an arithmetic number, because the mean of its divisors is an integer number (382669588).

Almost surely, 2^1312010012 is an apocalyptic number.

It is an amenable number.

1312010012 is a deficient number, since it is larger than the sum of its proper divisors (984007516).

1312010012 is a wasteful number, since it uses less digits than its factorization.

1312010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328002507 (or 328002505 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1312010012 is about 36221.6787573409. The cubic root of 1312010012 is about 1094.7435196437.

Adding to 1312010012 its reverse (2100102131), we get a palindrome (3412112143).

It can be divided in two parts, 13120 and 10012, that added together give a palindrome (23132).

The spelling of 1312010012 in words is "one billion, three hundred twelve million, ten thousand, twelve".