12401422100 has 18 divisors (see below), whose sum is σ = 26911086174. Its totient is φ = 4960568800.

The previous prime is 12401422097. The next prime is 12401422139. The reversal of 12401422100 is 122410421.

It can be written as a sum of positive squares in 3 ways, for example, as 2800949776 + 9600472324 = 52924^2 + 97982^2 .

It is a congruent number.

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, 62007011 + ... + 62007210.

It is an arithmetic number, because the mean of its divisors is an integer number (1495060343).

Almost surely, 2^12401422100 is an apocalyptic number.

12401422100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12401422100 is an abundant number, since it is smaller than the sum of its proper divisors (14509664074).

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

12401422100 is a wasteful number, since it uses less digits than its factorization.

12401422100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124014235 (or 124014228 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12401422100 its reverse (122410421), we get a palindrome (12523832521).

The spelling of 12401422100 in words is "twelve billion, four hundred one million, four hundred twenty-two thousand, one hundred".