2212132312123 has 4 divisors (see below), whose sum is σ = 2240133987040. Its totient is φ = 2184130637208.

The previous prime is 2212132312111. The next prime is 2212132312129. The reversal of 2212132312123 is 3212132312122.

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 2212132312123 - 2⁹ = 2212132311611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212132312129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14000837340 + ... + 14000837497.

It is an arithmetic number, because the mean of its divisors is an integer number (560033496760).

Almost surely, 2^{2212132312123} is an apocalyptic number.

2212132312123 is a deficient number, since it is larger than the sum of its proper divisors (28001674917).

2212132312123 is an equidigital number, since it uses as much as digits as its factorization.

2212132312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28001674916.

The product of its digits is 1728, while the sum is 25.

Adding to 2212132312123 its reverse (3212132312122), we get a palindrome (5424264624245).

Subtracting 2212132312123 from its reverse (3212132312122), we obtain a palindrome (999999999999).

The spelling of 2212132312123 in words is "two trillion, two hundred twelve billion, one hundred thirty-two million, three hundred twelve thousand, one hundred twenty-three".