123210003204122 has 4 divisors (see below), whose sum is σ = 184815004806186. Its totient is φ = 61605001602060.

The previous prime is 123210003204091. The next prime is 123210003204139. The reversal of 123210003204122 is 221402300012321.

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

It can be written as a sum of positive squares in only one way, i.e., 73436004609361 + 49773998594761 = 8569481^2 + 7055069^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30802500801029 + ... + 30802500801032.

Almost surely, 2^{123210003204122} is an apocalyptic number.

123210003204122 is a deficient number, since it is larger than the sum of its proper divisors (61605001602064).

123210003204122 is an equidigital number, since it uses as much as digits as its factorization.

123210003204122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61605001602063.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123210003204122 its reverse (221402300012321), we get a palindrome (344612303216443).

The spelling of 123210003204122 in words is "one hundred twenty-three trillion, two hundred ten billion, three million, two hundred four thousand, one hundred twenty-two".