130620012 has 12 divisors (see below), whose sum is σ = 304780056. Its totient is φ = 43540000.

The previous prime is 130619999. The next prime is 130620023. The reversal of 130620012 is 210026031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 130619973 and 130620000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5442489 + ... + 5442512.

It is an arithmetic number, because the mean of its divisors is an integer number (25398338).

Almost surely, 2^130620012 is an apocalyptic number.

130620012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130620012 is an abundant number, since it is smaller than the sum of its proper divisors (174160044).

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

130620012 is a wasteful number, since it uses less digits than its factorization.

130620012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10885008 (or 10885006 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130620012 is about 11428.9112342340. The cubic root of 130620012 is about 507.3837723919.

Adding to 130620012 its reverse (210026031), we get a palindrome (340646043).

The spelling of 130620012 in words is "one hundred thirty million, six hundred twenty thousand, twelve".