1222020012013 has 16 divisors (see below), whose sum is σ = 1249320960000. Its totient is φ = 1195046706672.

The previous prime is 1222020012007. The next prime is 1222020012029. The reversal of 1222020012013 is 3102100202221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1222020012013 - 2²¹ = 1222017914861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222020012113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5908098 + ... + 6111436.

It is an arithmetic number, because the mean of its divisors is an integer number (78082560000).

Almost surely, 2^{1222020012013} is an apocalyptic number.

It is an amenable number.

1222020012013 is a deficient number, since it is larger than the sum of its proper divisors (27300947987).

1222020012013 is a wasteful number, since it uses less digits than its factorization.

1222020012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204144.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1222020012013 its reverse (3102100202221), we get a palindrome (4324120214234).

The spelling of 1222020012013 in words is "one trillion, two hundred twenty-two billion, twenty million, twelve thousand, thirteen".