130221123312 has 80 divisors (see below), whose sum is σ = 385030927872. Its totient is φ = 37151013120.

The previous prime is 130221123281. The next prime is 130221123337. The reversal of 130221123312 is 213321122031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58764 + ... + 513707.

Almost surely, 2^130221123312 is an apocalyptic number.

130221123312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130221123312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192515463936).

130221123312 is an abundant number, since it is smaller than the sum of its proper divisors (254809804560).

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

130221123312 is a wasteful number, since it uses less digits than its factorization.

130221123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573166 (or 573160 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 130221123312 its reverse (213321122031), we get a palindrome (343542245343).

The spelling of 130221123312 in words is "one hundred thirty billion, two hundred twenty-one million, one hundred twenty-three thousand, three hundred twelve".