12130133240 has 32 divisors (see below), whose sum is σ = 27574177680. Its totient is φ = 4802030592.

The previous prime is 12130133209. The next prime is 12130133287. The reversal of 12130133240 is 4233103121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1559282 + ... + 1567041.

Almost surely, 2^12130133240 is an apocalyptic number.

12130133240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130133240 is an abundant number, since it is smaller than the sum of its proper divisors (15444044440).

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

12130133240 is a wasteful number, since it uses less digits than its factorization.

12130133240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126431 (or 3126427 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12130133240 its reverse (4233103121), we get a palindrome (16363236361).

The spelling of 12130133240 in words is "twelve billion, one hundred thirty million, one hundred thirty-three thousand, two hundred forty".