13023121001022 has 96 divisors (see below), whose sum is σ = 31545114063840. Its totient is φ = 3881704780800.

The previous prime is 13023121000963. The next prime is 13023121001047. The reversal of 13023121001022 is 22010012132031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13023121000986 and 13023121001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2994147 + ... + 5917022.

It is an arithmetic number, because the mean of its divisors is an integer number (328594938165).

Almost surely, 2^{13023121001022} is an apocalyptic number.

13023121001022 is an abundant number, since it is smaller than the sum of its proper divisors (18521993062818).

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

13023121001022 is a wasteful number, since it uses less digits than its factorization.

13023121001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8911271 (or 8911246 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13023121001022 its reverse (22010012132031), we get a palindrome (35033133133053).

The spelling of 13023121001022 in words is "thirteen trillion, twenty-three billion, one hundred twenty-one million, one thousand, twenty-two".