12232222100 has 36 divisors (see below), whose sum is σ = 30335912544. Its totient is φ = 4193904480.

The previous prime is 12232222087. The next prime is 12232222129. The reversal of 12232222100 is 122223221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8736602 + ... + 8738001.

Almost surely, 2^12232222100 is an apocalyptic number.

12232222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232222100 is an abundant number, since it is smaller than the sum of its proper divisors (18103690444).

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

12232222100 is a wasteful number, since it uses less digits than its factorization.

12232222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17474624 (or 17474617 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12232222100 its reverse (122223221), we get a palindrome (12354445321).

The spelling of 12232222100 in words is "twelve billion, two hundred thirty-two million, two hundred twenty-two thousand, one hundred".