130121000010 has 24 divisors (see below), whose sum is σ = 338314600260. Its totient is φ = 34698933312.

The previous prime is 130120999997. The next prime is 130121000021. The reversal of 130121000010 is 10000121031.

It can be written as a sum of positive squares in 2 ways, for example, as 123354785961 + 6766214049 = 351219^2 + 82257^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130120999956 and 130121000001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722894355 + ... + 722894534.

Almost surely, 2^130121000010 is an apocalyptic number.

130121000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130121000010 is an abundant number, since it is smaller than the sum of its proper divisors (208193600250).

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

130121000010 is a wasteful number, since it uses less digits than its factorization.

130121000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445788902 (or 1445788899 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 130121000010 its reverse (10000121031), we get a palindrome (140121121041).

The spelling of 130121000010 in words is "one hundred thirty billion, one hundred twenty-one million, ten", and thus it is an aban number.