212001010999 has 2 divisors, whose sum is σ = 212001011000. Its totient is φ = 212001010998.

The previous prime is 212001010997. The next prime is 212001011111. The reversal of 212001010999 is 999010100212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212001010999 - 2¹ = 212001010997 is a prime.

Together with 212001010997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212001010997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000505499 + 106000505500.

It is an arithmetic number, because the mean of its divisors is an integer number (106000505500).

Almost surely, 2^212001010999 is an apocalyptic number.

212001010999 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001010999 is an equidigital number, since it uses as much as digits as its factorization.

212001010999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 212001010999 in words is "two hundred twelve billion, one million, ten thousand, nine hundred ninety-nine".