1313020021012 has 24 divisors (see below), whose sum is σ = 2626864205504. Its totient is φ = 562546259712.

The previous prime is 1313020021009. The next prime is 1313020021031. The reversal of 1313020021012 is 2101200203131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7267773 + ... + 7446244.

Almost surely, 2^{1313020021012} is an apocalyptic number.

It is an amenable number.

1313020021012 is an abundant number, since it is smaller than the sum of its proper divisors (1313844184492).

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

1313020021012 is a wasteful number, since it uses less digits than its factorization.

1313020021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14717215 (or 14717213 counting only the distinct ones).

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

Adding to 1313020021012 its reverse (2101200203131), we get a palindrome (3414220224143).

The spelling of 1313020021012 in words is "one trillion, three hundred thirteen billion, twenty million, twenty-one thousand, twelve".