130231122021000 has 768 divisors, whose sum is σ = 591012551001600. Its totient is φ = 24979394304000.

The previous prime is 130231122020947. The next prime is 130231122021101. The reversal of 130231122021000 is 120221132031.

130231122021000 is a `hidden beast` number, since 1 + 3 + 0 + 231 + 1 + 220 + 210 + 0 + 0 = 666.

It is a super-2 number, since 2×130231122021000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1781166 + ... + 16236834.

It is an arithmetic number, because the mean of its divisors is an integer number (769547592450).

Almost surely, 2^{130231122021000} is an apocalyptic number.

130231122021000 is a gapful number since it is divisible by the number (10) 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 130231122021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295506275500800).

130231122021000 is an abundant number, since it is smaller than the sum of its proper divisors (460781428980600).

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

130231122021000 is a wasteful number, since it uses less digits than its factorization.

130231122021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14455727 (or 14455710 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 130231122021000 its reverse (120221132031), we get a palindrome (130351343153031).

The spelling of 130231122021000 in words is "one hundred thirty trillion, two hundred thirty-one billion, one hundred twenty-two million, twenty-one thousand".