1220142104013 has 16 divisors (see below), whose sum is σ = 1876321631360. Its totient is φ = 690827507136.

The previous prime is 1220142104011. The next prime is 1220142104021. The reversal of 1220142104013 is 3104012410221.

It is not a de Polignac number, because 1220142104013 - 2¹ = 1220142104011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220142104011) 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, 266520670 + ... + 266525247.

It is an arithmetic number, because the mean of its divisors is an integer number (117270101960).

Almost surely, 2^{1220142104013} is an apocalyptic number.

It is an amenable number.

1220142104013 is a deficient number, since it is larger than the sum of its proper divisors (656179527347).

1220142104013 is a wasteful number, since it uses less digits than its factorization.

1220142104013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533046036.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1220142104013 its reverse (3104012410221), we get a palindrome (4324154514234).

The spelling of 1220142104013 in words is "one trillion, two hundred twenty billion, one hundred forty-two million, one hundred four thousand, thirteen".