130221020142 has 64 divisors (see below), whose sum is σ = 294463653120. Its totient is φ = 42646111200.

The previous prime is 130221020107. The next prime is 130221020161. The reversal of 130221020142 is 241020122031.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2886217 + ... + 2930987.

It is an arithmetic number, because the mean of its divisors is an integer number (4600994580).

Almost surely, 2^130221020142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130221020142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147231826560).

130221020142 is an abundant number, since it is smaller than the sum of its proper divisors (164242632978).

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

130221020142 is a wasteful number, since it uses less digits than its factorization.

130221020142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45726 (or 45720 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 130221020142 its reverse (241020122031), we get a palindrome (371241142173).

The spelling of 130221020142 in words is "one hundred thirty billion, two hundred twenty-one million, twenty thousand, one hundred forty-two".