12130404140 has 12 divisors (see below), whose sum is σ = 25473848736. Its totient is φ = 4852161648.

The previous prime is 12130404127. The next prime is 12130404149. The reversal of 12130404140 is 4140403121.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 606520207 = 12130404140 / (1 + 2 + 1 + 3 + 0 + 4 + 0 + 4 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (12130404149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303260084 + ... + 303260123.

It is an arithmetic number, because the mean of its divisors is an integer number (2122820728).

Almost surely, 2^12130404140 is an apocalyptic number.

12130404140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130404140 is an abundant number, since it is smaller than the sum of its proper divisors (13343444596).

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

12130404140 is a wasteful number, since it uses less digits than its factorization.

12130404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606520216 (or 606520214 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12130404140 its reverse (4140403121), we get a palindrome (16270807261).

The spelling of 12130404140 in words is "twelve billion, one hundred thirty million, four hundred four thousand, one hundred forty".