122000021210023 has 4 divisors (see below), whose sum is σ = 133090932229128. Its totient is φ = 110909110190920.

The previous prime is 122000021209939. The next prime is 122000021210047. The reversal of 122000021210023 is 320012120000221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122000021210023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000021209979 and 122000021210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000021210083) 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, 5545455509536 + ... + 5545455509557.

It is an arithmetic number, because the mean of its divisors is an integer number (33272733057282).

Almost surely, 2^{122000021210023} is an apocalyptic number.

122000021210023 is a deficient number, since it is larger than the sum of its proper divisors (11090911019105).

122000021210023 is a wasteful number, since it uses less digits than its factorization.

122000021210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090911019104.

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

Adding to 122000021210023 its reverse (320012120000221), we get a palindrome (442012141210244).

The spelling of 122000021210023 in words is "one hundred twenty-two trillion, twenty-one million, two hundred ten thousand, twenty-three".