12212001122122 has 8 divisors (see below), whose sum is σ = 18318491280576. Its totient is φ = 6105837361932.

The previous prime is 12212001122117. The next prime is 12212001122219. The reversal of 12212001122122 is 22122110021221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12212001122122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81506008 + ... + 81655699.

It is an arithmetic number, because the mean of its divisors is an integer number (2289811410072).

Almost surely, 2^{12212001122122} is an apocalyptic number.

12212001122122 is a deficient number, since it is larger than the sum of its proper divisors (6106490158454).

12212001122122 is a wasteful number, since it uses less digits than its factorization.

12212001122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163199132.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212001122122 its reverse (22122110021221), we get a palindrome (34334111143343).

The spelling of 12212001122122 in words is "twelve trillion, two hundred twelve billion, one million, one hundred twenty-two thousand, one hundred twenty-two".