22220123120013 has 32 divisors (see below), whose sum is σ = 36465098326272. Its totient is φ = 11720084544000.

The previous prime is 22220123120003. The next prime is 22220123120017. The reversal of 22220123120013 is 31002132102222.

It is not a de Polignac number, because 22220123120013 - 2⁸ = 22220123119757 is a prime.

It is a super-2 number, since 2×22220123120013² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220123120017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6249313 + ... + 9137513.

It is an arithmetic number, because the mean of its divisors is an integer number (1139534322696).

Almost surely, 2^{22220123120013} is an apocalyptic number.

It is an amenable number.

22220123120013 is a deficient number, since it is larger than the sum of its proper divisors (14244975206259).

22220123120013 is a wasteful number, since it uses less digits than its factorization.

22220123120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916405.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22220123120013 its reverse (31002132102222), we get a palindrome (53222255222235).

The spelling of 22220123120013 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-three million, one hundred twenty thousand, thirteen".