12232132100 has 72 divisors (see below), whose sum is σ = 26770661568. Its totient is φ = 4851184000.

The previous prime is 12232132097. The next prime is 12232132103. The reversal of 12232132100 is 123123221.

It is an interprime number because it is at equal distance from previous prime (12232132097) and next prime (12232132103).

It is not an unprimeable number, because it can be changed into a prime (12232132103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9401450 + ... + 9402750.

It is an arithmetic number, because the mean of its divisors is an integer number (371814744).

Almost surely, 2^12232132100 is an apocalyptic number.

12232132100 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 12232132100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13385330784).

12232132100 is an abundant number, since it is smaller than the sum of its proper divisors (14538529468).

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

12232132100 is a wasteful number, since it uses less digits than its factorization.

12232132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12232132100 its reverse (123123221), we get a palindrome (12355255321).

The spelling of 12232132100 in words is "twelve billion, two hundred thirty-two million, one hundred thirty-two thousand, one hundred".