12101331400 has 24 divisors (see below), whose sum is σ = 28135595970. Its totient is φ = 4840532480.

The previous prime is 12101331383. The next prime is 12101331413. The reversal of 12101331400 is 413310121.

It can be written as a sum of positive squares in 3 ways, for example, as 6829700164 + 5271631236 = 82642^2 + 72606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30253129 + ... + 30253528.

Almost surely, 2^12101331400 is an apocalyptic number.

12101331400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101331400 is an abundant number, since it is smaller than the sum of its proper divisors (16034264570).

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

12101331400 is a wasteful number, since it uses less digits than its factorization.

12101331400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60506673 (or 60506664 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12101331400 its reverse (413310121), we get a palindrome (12514641521).

The spelling of 12101331400 in words is "twelve billion, one hundred one million, three hundred thirty-one thousand, four hundred".