3123112213320 has 64 divisors (see below), whose sum is σ = 10221094520640. Its totient is φ = 757118112000.

The previous prime is 3123112213307. The next prime is 3123112213369. The reversal of 3123112213320 is 233122113213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182995731 + ... + 1182998370.

It is an arithmetic number, because the mean of its divisors is an integer number (159704601885).

Almost surely, 2^{3123112213320} is an apocalyptic number.

3123112213320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3123112213320 is an abundant number, since it is smaller than the sum of its proper divisors (7097982307320).

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

3123112213320 is a wasteful number, since it uses less digits than its factorization.

3123112213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365994126 (or 2365994122 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3123112213320 its reverse (233122113213), we get a palindrome (3356234326533).

The spelling of 3123112213320 in words is "three trillion, one hundred twenty-three billion, one hundred twelve million, two hundred thirteen thousand, three hundred twenty".