220012134023 has 4 divisors (see below), whose sum is σ = 240013237128. Its totient is φ = 200011030920.

The previous prime is 220012134007. The next prime is 220012134031. The reversal of 220012134023 is 320431210022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220012134023 - 2⁴ = 220012134007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220012133986 and 220012134004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012134053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000551536 + ... + 10000551557.

It is an arithmetic number, because the mean of its divisors is an integer number (60003309282).

Almost surely, 2^220012134023 is an apocalyptic number.

220012134023 is a deficient number, since it is larger than the sum of its proper divisors (20001103105).

220012134023 is a wasteful number, since it uses less digits than its factorization.

220012134023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001103104.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220012134023 its reverse (320431210022), we get a palindrome (540443344045).

The spelling of 220012134023 in words is "two hundred twenty billion, twelve million, one hundred thirty-four thousand, twenty-three".