212001122109983 has 2 divisors, whose sum is σ = 212001122109984. Its totient is φ = 212001122109982.

The previous prime is 212001122109979. The next prime is 212001122109989. The reversal of 212001122109983 is 389901221100212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212001122109983 - 2² = 212001122109979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212001122109983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212001122109989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000561054991 + 106000561054992.

It is an arithmetic number, because the mean of its divisors is an integer number (106000561054992).

Almost surely, 2^{212001122109983} is an apocalyptic number.

212001122109983 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001122109983 is an equidigital number, since it uses as much as digits as its factorization.

212001122109983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 212001122109983 in words is "two hundred twelve trillion, one billion, one hundred twenty-two million, one hundred nine thousand, nine hundred eighty-three".