213122012122003 has 2 divisors, whose sum is σ = 213122012122004. Its totient is φ = 213122012122002.

The previous prime is 213122012121983. The next prime is 213122012122007. The reversal of 213122012122003 is 300221210221312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213122012122003 is a prime.

It is not a weakly prime, because it can be changed into another prime (213122012122007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106561006061001 + 106561006061002.

It is an arithmetic number, because the mean of its divisors is an integer number (106561006061002).

Almost surely, 2^{213122012122003} is an apocalyptic number.

213122012122003 is a deficient number, since it is larger than the sum of its proper divisors (1).

213122012122003 is an equidigital number, since it uses as much as digits as its factorization.

213122012122003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 213122012122003 its reverse (300221210221312), we get a palindrome (513343222343315).

The spelling of 213122012122003 in words is "two hundred thirteen trillion, one hundred twenty-two billion, twelve million, one hundred twenty-two thousand, three".