212430402132985 has 4 divisors (see below), whose sum is σ = 254916482559588. Its totient is φ = 169944321706384.

The previous prime is 212430402132943. The next prime is 212430402133003. The reversal of 212430402132985 is 589231204034212.

212430402132985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37279682392681 + 175150719740304 = 6105709^2 + 13234452^2 .

It is a cyclic number.

It is not a de Polignac number, because 212430402132985 - 2²⁵ = 212430368578553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21243040213294 + ... + 21243040213303.

It is an arithmetic number, because the mean of its divisors is an integer number (63729120639897).

Almost surely, 2^{212430402132985} is an apocalyptic number.

It is an amenable number.

212430402132985 is a deficient number, since it is larger than the sum of its proper divisors (42486080426603).

212430402132985 is an equidigital number, since it uses as much as digits as its factorization.

212430402132985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42486080426602.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 212430402132985 in words is "two hundred twelve trillion, four hundred thirty billion, four hundred two million, one hundred thirty-two thousand, nine hundred eighty-five".