12022313100 has 144 divisors (see below), whose sum is σ = 40405913856. Its totient is φ = 2702880000.

The previous prime is 12022313053. The next prime is 12022313153. The reversal of 12022313100 is 131322021.

It is a super-2 number, since 2×12022313100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12022313100.

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, 81175 + ... + 175025.

It is an arithmetic number, because the mean of its divisors is an integer number (280596624).

Almost surely, 2^12022313100 is an apocalyptic number.

12022313100 is a gapful number since it is divisible by the number (10) 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 12022313100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20202956928).

12022313100 is an abundant number, since it is smaller than the sum of its proper divisors (28383600756).

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

12022313100 is a wasteful number, since it uses less digits than its factorization.

12022313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93936 (or 93929 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12022313100 its reverse (131322021), we get a palindrome (12153635121).

The spelling of 12022313100 in words is "twelve billion, twenty-two million, three hundred thirteen thousand, one hundred".