2132212123 has 4 divisors (see below), whose sum is σ = 2132689720. Its totient is φ = 2131734528.

The previous prime is 2132212109. The next prime is 2132212139. The reversal of 2132212123 is 3212122312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132212123 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 2132212123.

It is not an unprimeable number, because it can be changed into a prime (2132212163) 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, 232038 + ... + 241051.

It is an arithmetic number, because the mean of its divisors is an integer number (533172430).

Almost surely, 2^2132212123 is an apocalyptic number.

2132212123 is a deficient number, since it is larger than the sum of its proper divisors (477597).

2132212123 is an equidigital number, since it uses as much as digits as its factorization.

2132212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477596.

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

The square root of 2132212123 is about 46175.8824820923. The cubic root of 2132212123 is about 1287.0936156460.

Adding to 2132212123 its reverse (3212122312), we get a palindrome (5344334435).

The spelling of 2132212123 in words is "two billion, one hundred thirty-two million, two hundred twelve thousand, one hundred twenty-three".