1312010212 has 12 divisors (see below), whose sum is σ = 2299538556. Its totient is φ = 654999200.

The previous prime is 1312010197. The next prime is 1312010237. The reversal of 1312010212 is 2120102131.

It can be written as a sum of positive squares in 2 ways, for example, as 116510436 + 1195499776 = 10794^2 + 34576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1312010192 and 1312010201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248539 + ... + 253762.

It is an arithmetic number, because the mean of its divisors is an integer number (191628213).

Almost surely, 2^1312010212 is an apocalyptic number.

It is an amenable number.

1312010212 is a deficient number, since it is larger than the sum of its proper divisors (987528344).

1312010212 is a wasteful number, since it uses less digits than its factorization.

1312010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502958 (or 502956 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1312010212 is about 36221.6815181184. The cubic root of 1312010212 is about 1094.7435752705.

Adding to 1312010212 its reverse (2120102131), we get a palindrome (3432112343).

It can be divided in two parts, 13120 and 10212, that added together give a palindrome (23332).

The spelling of 1312010212 in words is "one billion, three hundred twelve million, ten thousand, two hundred twelve".