12222212199973 has 2 divisors, whose sum is σ = 12222212199974. Its totient is φ = 12222212199972.

The previous prime is 12222212199941. The next prime is 12222212200031. The reversal of 12222212199973 is 37999121222221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7192517880769 + 5029694319204 = 2681887^2 + 2242698^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222212199973 - 2⁵ = 12222212199941 is a prime.

It is a super-2 number, since 2×12222212199973² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12222212199973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223212199973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111106099986 + 6111106099987.

It is an arithmetic number, because the mean of its divisors is an integer number (6111106099987).

Almost surely, 2^{12222212199973} is an apocalyptic number.

It is an amenable number.

12222212199973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222212199973 is an equidigital number, since it uses as much as digits as its factorization.

12222212199973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 52.

The spelling of 12222212199973 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, one hundred ninety-nine thousand, nine hundred seventy-three".