2212031002123 has 4 divisors (see below), whose sum is σ = 2271815623840. Its totient is φ = 2152246380408.

The previous prime is 2212031002091. The next prime is 2212031002157. The reversal of 2212031002123 is 3212001302122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2212031002123 - 2⁵ = 2212031002091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212031002123.

It is not an unprimeable number, because it can be changed into a prime (2212031002163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29892310803 + ... + 29892310876.

It is an arithmetic number, because the mean of its divisors is an integer number (567953905960).

Almost surely, 2^{2212031002123} is an apocalyptic number.

2212031002123 is a deficient number, since it is larger than the sum of its proper divisors (59784621717).

2212031002123 is an equidigital number, since it uses as much as digits as its factorization.

2212031002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59784621716.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2212031002123 its reverse (3212001302122), we get a palindrome (5424032304245).

The spelling of 2212031002123 in words is "two trillion, two hundred twelve billion, thirty-one million, two thousand, one hundred twenty-three".