212516444404427 has 4 divisors (see below), whose sum is σ = 212521283936520. Its totient is φ = 212511604872336.

The previous prime is 212516444404399. The next prime is 212516444404463. The reversal of 212516444404427 is 724404444615212.

212516444404427 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 is a cyclic number.

It is not a de Polignac number, because 212516444404427 - 2¹⁴ = 212516444388043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212516444407427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2419700177 + ... + 2419788002.

It is an arithmetic number, because the mean of its divisors is an integer number (53130320984130).

Almost surely, 2^{212516444404427} is an apocalyptic number.

212516444404427 is a deficient number, since it is larger than the sum of its proper divisors (4839532093).

212516444404427 is an equidigital number, since it uses as much as digits as its factorization.

212516444404427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839532092.

The product of its (nonzero) digits is 6881280, while the sum is 50.

The spelling of 212516444404427 in words is "two hundred twelve trillion, five hundred sixteen billion, four hundred forty-four million, four hundred four thousand, four hundred twenty-seven".