130231121212 has 6 divisors (see below), whose sum is σ = 227904462128. Its totient is φ = 65115560604.

The previous prime is 130231121161. The next prime is 130231121219. The reversal of 130231121212 is 212121132031.

It is a self number, because there is not a number n which added to its sum of digits gives 130231121212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130231121219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16278890148 + ... + 16278890155.

Almost surely, 2^130231121212 is an apocalyptic number.

It is an amenable number.

130231121212 is a deficient number, since it is larger than the sum of its proper divisors (97673340916).

130231121212 is a wasteful number, since it uses less digits than its factorization.

130231121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32557780307 (or 32557780305 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 130231121212 its reverse (212121132031), we get a palindrome (342352253243).

The spelling of 130231121212 in words is "one hundred thirty billion, two hundred thirty-one million, one hundred twenty-one thousand, two hundred twelve".