123302321221020 has 96 divisors (see below), whose sum is σ = 345333250741248. Its totient is φ = 32872358272512.

The previous prime is 123302321220971. The next prime is 123302321221081. The reversal of 123302321221020 is 20122123203321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5831816569 + ... + 5831837711.

It is an arithmetic number, because the mean of its divisors is an integer number (3597221361888).

Almost surely, 2^{123302321221020} is an apocalyptic number.

123302321221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123302321221020 is an abundant number, since it is smaller than the sum of its proper divisors (222030929520228).

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

123302321221020 is a wasteful number, since it uses less digits than its factorization.

123302321221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40979 (or 40977 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123302321221020 its reverse (20122123203321), we get a palindrome (143424444424341).

The spelling of 123302321221020 in words is "one hundred twenty-three trillion, three hundred two billion, three hundred twenty-one million, two hundred twenty-one thousand, twenty".