2112012202123 has 2 divisors, whose sum is σ = 2112012202124. Its totient is φ = 2112012202122.

The previous prime is 2112012202121. The next prime is 2112012202129. The reversal of 2112012202123 is 3212022102112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112012202123 - 2¹ = 2112012202121 is a prime.

Together with 2112012202121, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2112012202123.

It is not a weakly prime, because it can be changed into another prime (2112012202121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056006101061 + 1056006101062.

It is an arithmetic number, because the mean of its divisors is an integer number (1056006101062).

Almost surely, 2^{2112012202123} is an apocalyptic number.

2112012202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112012202123 is an equidigital number, since it uses as much as digits as its factorization.

2112012202123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2112012202123 its reverse (3212022102112), we get a palindrome (5324034304235).

The spelling of 2112012202123 in words is "two trillion, one hundred twelve billion, twelve million, two hundred two thousand, one hundred twenty-three".