130121334442220 has 72 divisors (see below), whose sum is σ = 316662690239280. Its totient is φ = 44533504814080.

The previous prime is 130121334442219. The next prime is 130121334442243. The reversal of 130121334442220 is 22244433121031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1023224675 + ... + 1023351834.

It is an arithmetic number, because the mean of its divisors is an integer number (4398092919990).

Almost surely, 2^{130121334442220} is an apocalyptic number.

130121334442220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130121334442220 is an abundant number, since it is smaller than the sum of its proper divisors (186541355797060).

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

130121334442220 is a wasteful number, since it uses less digits than its factorization.

130121334442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046576563 (or 2046576544 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 130121334442220 its reverse (22244433121031), we get a palindrome (152365767563251).

The spelling of 130121334442220 in words is "one hundred thirty trillion, one hundred twenty-one billion, three hundred thirty-four million, four hundred forty-two thousand, two hundred twenty".