212012111101139 has 2 divisors, whose sum is σ = 212012111101140. Its totient is φ = 212012111101138.

The previous prime is 212012111101111. The next prime is 212012111101151. The reversal of 212012111101139 is 931101111210212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212012111101139 - 2¹² = 212012111097043 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012111101339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006055550569 + 106006055550570.

It is an arithmetic number, because the mean of its divisors is an integer number (106006055550570).

Almost surely, 2^{212012111101139} is an apocalyptic number.

212012111101139 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012111101139 is an equidigital number, since it uses as much as digits as its factorization.

212012111101139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 26.

The spelling of 212012111101139 in words is "two hundred twelve trillion, twelve billion, one hundred eleven million, one hundred one thousand, one hundred thirty-nine".