130212122 has 4 divisors (see below), whose sum is σ = 195318186. Its totient is φ = 65106060.

The previous prime is 130212119. The next prime is 130212151. The reversal of 130212122 is 221212031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81198121 + 49014001 = 9011^2 + 7001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130212097 and 130212106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32553029 + ... + 32553032.

Almost surely, 2^130212122 is an apocalyptic number.

130212122 is a deficient number, since it is larger than the sum of its proper divisors (65106064).

130212122 is an equidigital number, since it uses as much as digits as its factorization.

130212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65106063.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 130212122 is about 11411.0526245391. The cubic root of 130212122 is about 506.8550821831.

Adding to 130212122 its reverse (221212031), we get a palindrome (351424153).

Subtracting 130212122 from its reverse (221212031), we obtain a palindrome (90999909).

The spelling of 130212122 in words is "one hundred thirty million, two hundred twelve thousand, one hundred twenty-two".