2022123312 has 160 divisors (see below), whose sum is σ = 6369592320. Its totient is φ = 609120000.

The previous prime is 2022123283. The next prime is 2022123359. The reversal of 2022123312 is 2133212202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 858937 + ... + 861287.

It is an arithmetic number, because the mean of its divisors is an integer number (39809952).

Almost surely, 2^2022123312 is an apocalyptic number.

2022123312 is a gapful number since it is divisible by the number (22) 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 2022123312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3184796160).

2022123312 is an abundant number, since it is smaller than the sum of its proper divisors (4347469008).

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

2022123312 is a wasteful number, since it uses less digits than its factorization.

2022123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2022123312 is about 44968.0254403059. The cubic root of 2022123312 is about 1264.5496294454.

Adding to 2022123312 its reverse (2133212202), we get a palindrome (4155335514).

The spelling of 2022123312 in words is "two billion, twenty-two million, one hundred twenty-three thousand, three hundred twelve".