130312120030 has 32 divisors (see below), whose sum is σ = 240949396800. Its totient is φ = 50705948160.

The previous prime is 130312120021. The next prime is 130312120051. The reversal of 130312120030 is 30021213031.

It is a junction number, because it is equal to n+sod(n) for n = 130312119986 and 130312120013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977046 + ... + 2041894.

It is an arithmetic number, because the mean of its divisors is an integer number (7529668650).

Almost surely, 2^130312120030 is an apocalyptic number.

130312120030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130312120030 is a deficient number, since it is larger than the sum of its proper divisors (110637276770).

130312120030 is a wasteful number, since it uses less digits than its factorization.

130312120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70324.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 130312120030 its reverse (30021213031), we get a palindrome (160333333061).

The spelling of 130312120030 in words is "one hundred thirty billion, three hundred twelve million, one hundred twenty thousand, thirty".