212013109999 has 2 divisors, whose sum is σ = 212013110000. Its totient is φ = 212013109998.

The previous prime is 212013109993. The next prime is 212013110033. The reversal of 212013109999 is 999901310212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212013109999 - 2³ = 212013109991 is a prime.

It is a super-2 number, since 2×212013109999² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013109991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006554999 + 106006555000.

It is an arithmetic number, because the mean of its divisors is an integer number (106006555000).

Almost surely, 2^212013109999 is an apocalyptic number.

212013109999 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013109999 is an equidigital number, since it uses as much as digits as its factorization.

212013109999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 46.

The spelling of 212013109999 in words is "two hundred twelve billion, thirteen million, one hundred nine thousand, nine hundred ninety-nine".