20121222222219 has 8 divisors (see below), whose sum is σ = 26983373154192. Its totient is φ = 13336609719200.

The previous prime is 20121222222187. The next prime is 20121222222251. The reversal of 20121222222219 is 91222222212102.

It is an interprime number because it is at equal distance from previous prime (20121222222187) and next prime (20121222222251).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20121222222219 - 2⁵ = 20121222222187 is a prime.

It is a super-2 number, since 2×20121222222219² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20121222229219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19384606632 + ... + 19384607669.

It is an arithmetic number, because the mean of its divisors is an integer number (3372921644274).

Almost surely, 2^{20121222222219} is an apocalyptic number.

20121222222219 is a deficient number, since it is larger than the sum of its proper divisors (6862150931973).

20121222222219 is a wasteful number, since it uses less digits than its factorization.

20121222222219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38769214477.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 20121222222219 in words is "twenty trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred nineteen".