123021223031122 has 8 divisors (see below), whose sum is σ = 198726591050316. Its totient is φ = 56779026014352.

The previous prime is 123021223031117. The next prime is 123021223031171. The reversal of 123021223031122 is 221130322120321.

It can be written as a sum of positive squares in 2 ways, for example, as 88956946026601 + 34064277004521 = 9431699^2 + 5836461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2365792750573 + ... + 2365792750624.

Almost surely, 2^{123021223031122} is an apocalyptic number.

123021223031122 is a deficient number, since it is larger than the sum of its proper divisors (75705368019194).

123021223031122 is a wasteful number, since it uses less digits than its factorization.

123021223031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731585501212.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123021223031122 its reverse (221130322120321), we get a palindrome (344151545151443).

The spelling of 123021223031122 in words is "one hundred twenty-three trillion, twenty-one billion, two hundred twenty-three million, thirty-one thousand, one hundred twenty-two".