12130131103400 has 96 divisors (see below), whose sum is σ = 28240115876280. Its totient is φ = 4845594624000.

The previous prime is 12130131103397. The next prime is 12130131103403. The reversal of 12130131103400 is 430113103121.

It is an interprime number because it is at equal distance from previous prime (12130131103397) and next prime (12130131103403).

It can be written as a sum of positive squares in 12 ways, for example, as 339327220324 + 11790803883076 = 582518^2 + 3433774^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12130131103403) 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, 514827620 + ... + 514851180.

Almost surely, 2^{12130131103400} is an apocalyptic number.

12130131103400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130131103400 is an abundant number, since it is smaller than the sum of its proper divisors (16109984772880).

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

12130131103400 is a wasteful number, since it uses less digits than its factorization.

12130131103400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26895 (or 26886 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12130131103400 its reverse (430113103121), we get a palindrome (12560244206521).

The spelling of 12130131103400 in words is "twelve trillion, one hundred thirty billion, one hundred thirty-one million, one hundred three thousand, four hundred".