12212033100 has 36 divisors (see below), whose sum is σ = 35333483304. Its totient is φ = 3256542080.

The previous prime is 12212033083. The next prime is 12212033101. The reversal of 12212033100 is 133021221.

It is a super-2 number, since 2×12212033100² (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 12212033100.

It is not an unprimeable number, because it can be changed into a prime (12212033101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20353089 + ... + 20353688.

Almost surely, 2^12212033100 is an apocalyptic number.

12212033100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212033100 is an abundant number, since it is smaller than the sum of its proper divisors (23121450204).

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

12212033100 is a wasteful number, since it uses less digits than its factorization.

12212033100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40706794 (or 40706787 counting only the distinct ones).

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

Adding to 12212033100 its reverse (133021221), we get a palindrome (12345054321).

The spelling of 12212033100 in words is "twelve billion, two hundred twelve million, thirty-three thousand, one hundred".