212012759887 has 2 divisors, whose sum is σ = 212012759888. Its totient is φ = 212012759886.

The previous prime is 212012759879. The next prime is 212012759911. The reversal of 212012759887 is 788957210212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212012759887 - 2³ = 212012759879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212012759087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006379943 + 106006379944.

It is an arithmetic number, because the mean of its divisors is an integer number (106006379944).

Almost surely, 2^212012759887 is an apocalyptic number.

212012759887 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012759887 is an equidigital number, since it uses as much as digits as its factorization.

212012759887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 212012759887 in words is "two hundred twelve billion, twelve million, seven hundred fifty-nine thousand, eight hundred eighty-seven".