130212105 has 16 divisors (see below), whose sum is σ = 213421824. Its totient is φ = 67752320.

The previous prime is 130212101. The next prime is 130212107. The reversal of 130212105 is 501212031.

It is not a de Polignac number, because 130212105 - 2² = 130212101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (130212101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105249 + ... + 106478.

It is an arithmetic number, because the mean of its divisors is an integer number (13338864).

Almost surely, 2^130212105 is an apocalyptic number.

130212105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130212105 is a deficient number, since it is larger than the sum of its proper divisors (83209719).

130212105 is a wasteful number, since it uses less digits than its factorization.

130212105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211776.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 130212105 is about 11411.0518796472. The cubic root of 130212105 is about 506.8550601254.

Adding to 130212105 its reverse (501212031), we get a palindrome (631424136).

The spelling of 130212105 in words is "one hundred thirty million, two hundred twelve thousand, one hundred five".