3111212232120 has 192 divisors, whose sum is σ = 9561232548000. Its totient is φ = 809897088000.

The previous prime is 3111212232119. The next prime is 3111212232143. The reversal of 3111212232120 is 212322121113.

3111212232120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3111212232120² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 565569370 + ... + 565574870.

Almost surely, 2^{3111212232120} is an apocalyptic number.

3111212232120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3111212232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4780616274000).

3111212232120 is an abundant number, since it is smaller than the sum of its proper divisors (6450020315880).

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

3111212232120 is a wasteful number, since it uses less digits than its factorization.

3111212232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150 (or 8103 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 3111212232120 its reverse (212322121113), we get a palindrome (3323534353233).

The spelling of 3111212232120 in words is "three trillion, one hundred eleven billion, two hundred twelve million, two hundred thirty-two thousand, one hundred twenty".