2212131122123 has 6 divisors (see below), whose sum is σ = 2395384588044. Its totient is φ = 2041967189496.

The previous prime is 2212131122111. The next prime is 2212131122141. The reversal of 2212131122123 is 3212211312122.

It is not a de Polignac number, because 2212131122123 - 2¹² = 2212131118027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212131122723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6544766465 + ... + 6544766802.

It is an arithmetic number, because the mean of its divisors is an integer number (399230764674).

Almost surely, 2^{2212131122123} is an apocalyptic number.

2212131122123 is a deficient number, since it is larger than the sum of its proper divisors (183253465921).

2212131122123 is a wasteful number, since it uses less digits than its factorization.

2212131122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089533293 (or 13089533280 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 2212131122123 its reverse (3212211312122), we get a palindrome (5424342434245).

The spelling of 2212131122123 in words is "two trillion, two hundred twelve billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred twenty-three".