2220212222123 has 16 divisors (see below), whose sum is σ = 2565054107136. Its totient is φ = 1882356120960.

The previous prime is 2220212222077. The next prime is 2220212222149. The reversal of 2220212222123 is 3212222120222.

It is not a de Polignac number, because 2220212222123 - 2²⁸ = 2219943786667 is a prime.

It is a super-2 number, since 2×2220212222123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220212222923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2469911 + ... + 3246672.

It is an arithmetic number, because the mean of its divisors is an integer number (160315881696).

Almost surely, 2^{2220212222123} is an apocalyptic number.

2220212222123 is a deficient number, since it is larger than the sum of its proper divisors (344841885013).

2220212222123 is a wasteful number, since it uses less digits than its factorization.

2220212222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717194.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2220212222123 its reverse (3212222120222), we get a palindrome (5432434342345).

The spelling of 2220212222123 in words is "two trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twenty-three".