3123101123220 has 96 divisors (see below), whose sum is σ = 9742087393920. Its totient is φ = 742254266880.

The previous prime is 3123101123183. The next prime is 3123101123231. The reversal of 3123101123220 is 223211013213.

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, 69011446 + ... + 69056685.

It is an arithmetic number, because the mean of its divisors is an integer number (101480077020).

Almost surely, 2^{3123101123220} is an apocalyptic number.

3123101123220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3123101123220 is an abundant number, since it is smaller than the sum of its proper divisors (6618986270700).

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

3123101123220 is a wasteful number, since it uses less digits than its factorization.

3123101123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138068185 (or 138068183 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3123101123220 its reverse (223211013213), we get a palindrome (3346312136433).

The spelling of 3123101123220 in words is "three trillion, one hundred twenty-three billion, one hundred one million, one hundred twenty-three thousand, two hundred twenty".