1313210120212 has 12 divisors (see below), whose sum is σ = 2319201359860. Its totient is φ = 650581160256.

The previous prime is 1313210120171. The next prime is 1313210120219. The reversal of 1313210120212 is 2120210123131.

It can be written as a sum of positive squares in 2 ways, for example, as 800230437136 + 512979683076 = 894556^2 + 716226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1313210120212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313210120219) 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, 1505974473 + ... + 1505975344.

Almost surely, 2^{1313210120212} is an apocalyptic number.

It is an amenable number.

1313210120212 is a deficient number, since it is larger than the sum of its proper divisors (1005991239648).

1313210120212 is a wasteful number, since it uses less digits than its factorization.

1313210120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011949930 (or 3011949928 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1313210120212 its reverse (2120210123131), we get a palindrome (3433420243343).

The spelling of 1313210120212 in words is "one trillion, three hundred thirteen billion, two hundred ten million, one hundred twenty thousand, two hundred twelve".