130212555 has 32 divisors (see below), whose sum is σ = 234620928. Its totient is φ = 61094400.

The previous prime is 130212547. The next prime is 130212601. The reversal of 130212555 is 555212031.

It is a happy number.

It is not a de Polignac number, because 130212555 - 2³ = 130212547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7614 + ... + 17843.

It is an arithmetic number, because the mean of its divisors is an integer number (7331904).

Almost surely, 2^130212555 is an apocalyptic number.

130212555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130212555 is a deficient number, since it is larger than the sum of its proper divisors (104408373).

130212555 is a wasteful number, since it uses less digits than its factorization.

130212555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25507.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 130212555 is about 11411.0715973567. The cubic root of 130212555 is about 506.8556440049.

Adding to 130212555 its reverse (555212031), we get a palindrome (685424586).

It can be divided in two parts, 13021 and 2555, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 130212555 in words is "one hundred thirty million, two hundred twelve thousand, five hundred fifty-five".