212460544561 has 8 divisors (see below), whose sum is σ = 216080674560. Its totient is φ = 208841051472.

The previous prime is 212460544531. The next prime is 212460544573. The reversal of 212460544561 is 165445064212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212460544561 - 2⁵ = 212460544529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212460544511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539511 + ... + 846163.

It is an arithmetic number, because the mean of its divisors is an integer number (27010084320).

Almost surely, 2^212460544561 is an apocalyptic number.

It is an amenable number.

212460544561 is a deficient number, since it is larger than the sum of its proper divisors (3620129999).

212460544561 is a wasteful number, since it uses less digits than its factorization.

212460544561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318455.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 212460544561 in words is "two hundred twelve billion, four hundred sixty million, five hundred forty-four thousand, five hundred sixty-one".