130121222 has 32 divisors (see below), whose sum is σ = 245389824. Its totient is φ = 50689320.

The previous prime is 130121207. The next prime is 130121227. The reversal of 130121222 is 222121031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 130121197 and 130121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130121227) 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, 15143 + ... + 22125.

It is an arithmetic number, because the mean of its divisors is an integer number (7668432).

Almost surely, 2^130121222 is an apocalyptic number.

130121222 is a deficient number, since it is larger than the sum of its proper divisors (115268602).

130121222 is an equidigital number, since it uses as much as digits as its factorization.

130121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025 (or 7003 counting only the distinct ones).

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

The square root of 130121222 is about 11407.0689486827. The cubic root of 130121222 is about 506.7371109540.

Adding to 130121222 its reverse (222121031), we get a palindrome (352242253).

The spelling of 130121222 in words is "one hundred thirty million, one hundred twenty-one thousand, two hundred twenty-two".