10001012130 has 24 divisors (see below), whose sum is σ = 26002631772. Its totient is φ = 2666936544.

The previous prime is 10001012117. The next prime is 10001012137. The reversal of 10001012130 is 3121010001.

It can be written as a sum of positive squares in 2 ways, for example, as 9968624649 + 32387481 = 99843^2 + 5691^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10001012137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55561089 + ... + 55561268.

Almost surely, 2^10001012130 is an apocalyptic number.

10001012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001012130 is an abundant number, since it is smaller than the sum of its proper divisors (16001619642).

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

10001012130 is a wasteful number, since it uses less digits than its factorization.

10001012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111122370 (or 111122367 counting only the distinct ones).

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

Adding to 10001012130 its reverse (3121010001), we get a palindrome (13122022131).

The spelling of 10001012130 in words is "ten billion, one million, twelve thousand, one hundred thirty".