210012100019 has 2 divisors, whose sum is σ = 210012100020. Its totient is φ = 210012100018.

The previous prime is 210012100003. The next prime is 210012100043. The reversal of 210012100019 is 910001210012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210012100019 - 2⁴ = 210012100003 is a prime.

It is a super-2 number, since 2×210012100019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210012100619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006050009 + 105006050010.

It is an arithmetic number, because the mean of its divisors is an integer number (105006050010).

Almost surely, 2^210012100019 is an apocalyptic number.

210012100019 is a deficient number, since it is larger than the sum of its proper divisors (1).

210012100019 is an equidigital number, since it uses as much as digits as its factorization.

210012100019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 210012100019 in words is "two hundred ten billion, twelve million, one hundred thousand, nineteen".