130221111212 has 24 divisors (see below), whose sum is σ = 238070762496. Its totient is φ = 62207457488.

The previous prime is 130221111203. The next prime is 130221111269. The reversal of 130221111212 is 212111122031.

It is a happy 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, 740678 + ... + 899469.

It is an arithmetic number, because the mean of its divisors is an integer number (9919615104).

Almost surely, 2^130221111212 is an apocalyptic number.

It is an amenable number.

130221111212 is a deficient number, since it is larger than the sum of its proper divisors (107849651284).

130221111212 is a wasteful number, since it uses less digits than its factorization.

130221111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641037 (or 1641035 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 130221111212 its reverse (212111122031), we get a palindrome (342332233243).

The spelling of 130221111212 in words is "one hundred thirty billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twelve".