12130240400 has 60 divisors (see below), whose sum is σ = 29620714644. Its totient is φ = 4772544000.

The previous prime is 12130240307. The next prime is 12130240427. The reversal of 12130240400 is 404203121.

It can be written as a sum of positive squares in 6 ways, for example, as 1230045184 + 10900195216 = 35072^2 + 104404^2 .

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, 224171 + ... + 272970.

Almost surely, 2^12130240400 is an apocalyptic number.

12130240400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130240400 is an abundant number, since it is smaller than the sum of its proper divisors (17490474244).

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

12130240400 is a wasteful number, since it uses less digits than its factorization.

12130240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497220 (or 497209 counting only the distinct ones).

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

Adding to 12130240400 its reverse (404203121), we get a palindrome (12534443521).

The spelling of 12130240400 in words is "twelve billion, one hundred thirty million, two hundred forty thousand, four hundred".