212300028002123 has 2 divisors, whose sum is σ = 212300028002124. Its totient is φ = 212300028002122.

The previous prime is 212300028002119. The next prime is 212300028002141. The reversal of 212300028002123 is 321200820003212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212300028002123 - 2² = 212300028002119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212300028002092 and 212300028002101.

It is not a weakly prime, because it can be changed into another prime (212300028002173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106150014001061 + 106150014001062.

It is an arithmetic number, because the mean of its divisors is an integer number (106150014001062).

Almost surely, 2^{212300028002123} is an apocalyptic number.

212300028002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212300028002123 is an equidigital number, since it uses as much as digits as its factorization.

212300028002123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 212300028002123 its reverse (321200820003212), we get a palindrome (533500848005335).

The spelling of 212300028002123 in words is "two hundred twelve trillion, three hundred billion, twenty-eight million, two thousand, one hundred twenty-three".