130221522552 has 64 divisors (see below), whose sum is σ = 355276575360. Its totient is φ = 39446960000.

The previous prime is 130221522551. The next prime is 130221522559. The reversal of 130221522552 is 255225122031.

It is a super-2 number, since 2×130221522552² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221522551) 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, 663802 + ... + 837302.

It is an arithmetic number, because the mean of its divisors is an integer number (5551196490).

Almost surely, 2^130221522552 is an apocalyptic number.

130221522552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130221522552 is an abundant number, since it is smaller than the sum of its proper divisors (225055052808).

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

130221522552 is a wasteful number, since it uses less digits than its factorization.

130221522552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176364 (or 176360 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 130221522552 its reverse (255225122031), we get a palindrome (385446644583).

The spelling of 130221522552 in words is "one hundred thirty billion, two hundred twenty-one million, five hundred twenty-two thousand, five hundred fifty-two".