212000101139 has 2 divisors, whose sum is σ = 212000101140. Its totient is φ = 212000101138.

The previous prime is 212000101129. The next prime is 212000101189. The reversal of 212000101139 is 931101000212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212000101139 - 2¹⁶ = 212000035603 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212000101139.

It is not a weakly prime, because it can be changed into another prime (212000101129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000050569 + 106000050570.

It is an arithmetic number, because the mean of its divisors is an integer number (106000050570).

Almost surely, 2^212000101139 is an apocalyptic number.

212000101139 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000101139 is an equidigital number, since it uses as much as digits as its factorization.

212000101139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 212000101139 in words is "two hundred twelve billion, one hundred one thousand, one hundred thirty-nine".