130111212 has 48 divisors (see below), whose sum is σ = 378508032. Its totient is φ = 33794880.

The previous prime is 130111199. The next prime is 130111213. The reversal of 130111212 is 212111031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (130111213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69483 + ... + 71330.

It is an arithmetic number, because the mean of its divisors is an integer number (7885584).

Almost surely, 2^130111212 is an apocalyptic number.

130111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130111212 is an abundant number, since it is smaller than the sum of its proper divisors (248396820).

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

130111212 is a wasteful number, since it uses less digits than its factorization.

130111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140838 (or 140836 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 130111212 is about 11406.6301772259. The cubic root of 130111212 is about 506.7241164850.

Adding to 130111212 its reverse (212111031), we get a palindrome (342222243).

The spelling of 130111212 in words is "one hundred thirty million, one hundred eleven thousand, two hundred twelve".