12321541100 has 72 divisors (see below), whose sum is σ = 29185892400. Its totient is φ = 4477881600.

The previous prime is 12321541079. The next prime is 12321541121. The reversal of 12321541100 is 114512321.

It is an interprime number because it is at equal distance from previous prime (12321541079) and next prime (12321541121).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3550166 + ... + 3553634.

Almost surely, 2^12321541100 is an apocalyptic number.

12321541100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321541100 is an abundant number, since it is smaller than the sum of its proper divisors (16864351300).

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

12321541100 is a wasteful number, since it uses less digits than its factorization.

12321541100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723 (or 6716 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The spelling of 12321541100 in words is "twelve billion, three hundred twenty-one million, five hundred forty-one thousand, one hundred".