12022331100 has 72 divisors (see below), whose sum is σ = 37460362800. Its totient is φ = 2959342080.

The previous prime is 12022331093. The next prime is 12022331117. The reversal of 12022331100 is 113322021.

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 12022331100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1537425 + ... + 1545224.

Almost surely, 2^12022331100 is an apocalyptic number.

12022331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022331100 is an abundant number, since it is smaller than the sum of its proper divisors (25438031700).

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

12022331100 is a wasteful number, since it uses less digits than its factorization.

12022331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082679 (or 3082672 counting only the distinct ones).

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

Adding to 12022331100 its reverse (113322021), we get a palindrome (12135653121).

The spelling of 12022331100 in words is "twelve billion, twenty-two million, three hundred thirty-one thousand, one hundred".