12222031120 has 80 divisors (see below), whose sum is σ = 31348587312. Its totient is φ = 4402667520.

The previous prime is 12222031117. The next prime is 12222031183. The reversal of 12222031120 is 2113022221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2632921344 + 9589109776 = 51312^2 + 97924^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12222031094 and 12222031103.

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, 100677 + ... + 185956.

Almost surely, 2^12222031120 is an apocalyptic number.

12222031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222031120 is an abundant number, since it is smaller than the sum of its proper divisors (19126556192).

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

12222031120 is a wasteful number, since it uses less digits than its factorization.

12222031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286700 (or 286694 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12222031120 its reverse (2113022221), we get a palindrome (14335053341).

The spelling of 12222031120 in words is "twelve billion, two hundred twenty-two million, thirty-one thousand, one hundred twenty".