12130122222212 has 24 divisors (see below), whose sum is σ = 21959926896600. Its totient is φ = 5855861639936.

The previous prime is 12130122222209. The next prime is 12130122222259. The reversal of 12130122222212 is 21222222103121.

It can be written as a sum of positive squares in 4 ways, for example, as 3323270664256 + 8806851557956 = 1822984^2 + 2967634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12274214 + ... + 13225602.

It is an arithmetic number, because the mean of its divisors is an integer number (914996954025).

Almost surely, 2^{12130122222212} is an apocalyptic number.

It is an amenable number.

12130122222212 is a deficient number, since it is larger than the sum of its proper divisors (9829804674388).

12130122222212 is a wasteful number, since it uses less digits than its factorization.

12130122222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061335 (or 1061333 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12130122222212 its reverse (21222222103121), we get a palindrome (33352344325333).

The spelling of 12130122222212 in words is "twelve trillion, one hundred thirty billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twelve".