12420133123222 has 16 divisors (see below), whose sum is σ = 20325927782592. Its totient is φ = 5644939061320.

The previous prime is 12420133123201. The next prime is 12420133123231. The reversal of 12420133123222 is 22232133102421.

It is a happy number.

It is a super-2 number, since 2×12420133123222² (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, 28579168 + ... + 29010499.

It is an arithmetic number, because the mean of its divisors is an integer number (1270370486412).

Almost surely, 2^{12420133123222} is an apocalyptic number.

12420133123222 is a deficient number, since it is larger than the sum of its proper divisors (7905794659370).

12420133123222 is a wasteful number, since it uses less digits than its factorization.

12420133123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57599483.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12420133123222 its reverse (22232133102421), we get a palindrome (34652266225643).

The spelling of 12420133123222 in words is "twelve trillion, four hundred twenty billion, one hundred thirty-three million, one hundred twenty-three thousand, two hundred twenty-two".