12123020013222 has 16 divisors (see below), whose sum is σ = 24761913219072. Its totient is φ = 3955027805640.

The previous prime is 12123020013199. The next prime is 12123020013257. The reversal of 12123020013222 is 22231002032121.

It is a super-2 number, since 2×12123020013222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 21494716054 + ... + 21494716617.

It is an arithmetic number, because the mean of its divisors is an integer number (1547619576192).

Almost surely, 2^{12123020013222} is an apocalyptic number.

12123020013222 is an abundant number, since it is smaller than the sum of its proper divisors (12638893205850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12123020013222 is a wasteful number, since it uses less digits than its factorization.

12123020013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42989432723.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12123020013222 its reverse (22231002032121), we get a palindrome (34354022045343).

The spelling of 12123020013222 in words is "twelve trillion, one hundred twenty-three billion, twenty million, thirteen thousand, two hundred twenty-two".