3123300111220 has 24 divisors (see below), whose sum is σ = 6904137088800. Its totient is φ = 1183566357792.

The previous prime is 3123300111179. The next prime is 3123300111251. The reversal of 3123300111220 is 221110033213.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4109605030 + ... + 4109605789.

It is an arithmetic number, because the mean of its divisors is an integer number (287672378700).

Almost surely, 2^{3123300111220} is an apocalyptic number.

It is an amenable number.

3123300111220 is an abundant number, since it is smaller than the sum of its proper divisors (3780836977580).

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

3123300111220 is a wasteful number, since it uses less digits than its factorization.

3123300111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219210847 (or 8219210845 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3123300111220 its reverse (221110033213), we get a palindrome (3344410144433).

The spelling of 3123300111220 in words is "three trillion, one hundred twenty-three billion, three hundred million, one hundred eleven thousand, two hundred twenty".