2212216172122 has 48 divisors (see below), whose sum is σ = 3927425564160. Its totient is φ = 930361815680.

The previous prime is 2212216172081. The next prime is 2212216172209. The reversal of 2212216172122 is 2212716122122.

It is a super-2 number, since 2×2212216172122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4314298 + ... + 4799749.

It is an arithmetic number, because the mean of its divisors is an integer number (81821365920).

Almost surely, 2^{2212216172122} is an apocalyptic number.

2212216172122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212216172122 is a deficient number, since it is larger than the sum of its proper divisors (1715209392038).

2212216172122 is a wasteful number, since it uses less digits than its factorization.

2212216172122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114147 (or 9114136 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The spelling of 2212216172122 in words is "two trillion, two hundred twelve billion, two hundred sixteen million, one hundred seventy-two thousand, one hundred twenty-two".