212550450204005 has 4 divisors (see below), whose sum is σ = 255060540244812. Its totient is φ = 170040360163200.

The previous prime is 212550450203981. The next prime is 212550450204023. The reversal of 212550450204005 is 500402054055212.

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 149534573635489 + 63015876568516 = 12228433^2 + 7938254^2 .

It is not a de Polignac number, because 212550450204005 - 2²⁴ = 212550433426789 is a prime.

It is a super-2 number, since 2×212550450204005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 21255045020396 + ... + 21255045020405.

It is an arithmetic number, because the mean of its divisors is an integer number (63765135061203).

Almost surely, 2^{212550450204005} is an apocalyptic number.

It is an amenable number.

212550450204005 is a deficient number, since it is larger than the sum of its proper divisors (42510090040807).

212550450204005 is an equidigital number, since it uses as much as digits as its factorization.

212550450204005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42510090040806.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 212550450204005 in words is "two hundred twelve trillion, five hundred fifty billion, four hundred fifty million, two hundred four thousand, five".