1313120212 has 12 divisors (see below), whose sum is σ = 2314493440. Its totient is φ = 651836376.

The previous prime is 1313120201. The next prime is 1313120213. The reversal of 1313120212 is 2120213131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313120213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180308 + ... + 1181419.

Almost surely, 2^1313120212 is an apocalyptic number.

It is an amenable number.

1313120212 is a deficient number, since it is larger than the sum of its proper divisors (1001373228).

1313120212 is a wasteful number, since it uses less digits than its factorization.

1313120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361870 (or 2361868 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1313120212 is about 36237.0005933162. Note that the first 3 decimals coincide. The cubic root of 1313120212 is about 1095.0522168826.

Adding to 1313120212 its reverse (2120213131), we get a palindrome (3433333343).

The spelling of 1313120212 in words is "one billion, three hundred thirteen million, one hundred twenty thousand, two hundred twelve".