130121312 has 24 divisors (see below), whose sum is σ = 256876200. Its totient is φ = 64882944.

The previous prime is 130121297. The next prime is 130121317. The reversal of 130121312 is 213121031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130121317) 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, 6764 + ... + 17492.

It is an arithmetic number, because the mean of its divisors is an integer number (10703175).

Almost surely, 2^130121312 is an apocalyptic number.

It is an amenable number.

130121312 is a deficient number, since it is larger than the sum of its proper divisors (126754888).

130121312 is a wasteful number, since it uses less digits than its factorization.

130121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118 (or 11110 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 130121312 is about 11407.0728936042. The cubic root of 130121312 is about 506.7372277844.

Adding to 130121312 its reverse (213121031), we get a palindrome (343242343).

The spelling of 130121312 in words is "one hundred thirty million, one hundred twenty-one thousand, three hundred twelve".