212100999007 has 2 divisors, whose sum is σ = 212100999008. Its totient is φ = 212100999006.

The previous prime is 212100998999. The next prime is 212100999017. The reversal of 212100999007 is 700999001212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212100999007 - 2³ = 212100998999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212100999017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050499503 + 106050499504.

It is an arithmetic number, because the mean of its divisors is an integer number (106050499504).

Almost surely, 2^212100999007 is an apocalyptic number.

212100999007 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100999007 is an equidigital number, since it uses as much as digits as its factorization.

212100999007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 212100999007 in words is "two hundred twelve billion, one hundred million, nine hundred ninety-nine thousand, seven".