130021210 has 32 divisors (see below), whose sum is σ = 264124800. Its totient is φ = 45648960.

The previous prime is 130021153. The next prime is 130021259. The reversal of 130021210 is 12120031.

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

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, 17190 + ... + 23569.

It is an arithmetic number, because the mean of its divisors is an integer number (8253900).

Almost surely, 2^130021210 is an apocalyptic number.

130021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130021210 is an abundant number, since it is smaller than the sum of its proper divisors (134103590).

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

130021210 is a wasteful number, since it uses less digits than its factorization.

130021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40806.

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

The square root of 130021210 is about 11402.6843330858. The cubic root of 130021210 is about 506.6072505542.

Adding to 130021210 its reverse (12120031), we get a palindrome (142141241).

The spelling of 130021210 in words is "one hundred thirty million, twenty-one thousand, two hundred ten".