12312022120 has 32 divisors (see below), whose sum is σ = 27707248800. Its totient is φ = 4923884608.

The previous prime is 12312022087. The next prime is 12312022139. The reversal of 12312022120 is 2122021321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12312022094 and 12312022103.

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, 211647 + ... + 263473.

It is an arithmetic number, because the mean of its divisors is an integer number (865851525).

Almost surely, 2^12312022120 is an apocalyptic number.

12312022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312022120 is an abundant number, since it is smaller than the sum of its proper divisors (15395226680).

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

12312022120 is a wasteful number, since it uses less digits than its factorization.

12312022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57777 (or 57773 counting only the distinct ones).

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

Adding to 12312022120 its reverse (2122021321), we get a palindrome (14434043441).

The spelling of 12312022120 in words is "twelve billion, three hundred twelve million, twenty-two thousand, one hundred twenty".