10120030120 has 16 divisors (see below), whose sum is σ = 22770067860. Its totient is φ = 4048012032.

The previous prime is 10120030103. The next prime is 10120030127. The reversal of 10120030120 is 2103002101.

It can be written as a sum of positive squares in 2 ways, for example, as 10079758404 + 40271716 = 100398^2 + 6346^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10120030097 and 10120030106.

It is not an unprimeable number, because it can be changed into a prime (10120030127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126500337 + ... + 126500416.

Almost surely, 2^10120030120 is an apocalyptic number.

10120030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120030120 is an abundant number, since it is smaller than the sum of its proper divisors (12650037740).

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

10120030120 is a wasteful number, since it uses less digits than its factorization.

10120030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253000764 (or 253000760 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10120030120 its reverse (2103002101), we get a palindrome (12223032221).

The spelling of 10120030120 in words is "ten billion, one hundred twenty million, thirty thousand, one hundred twenty".