212565230475425 has 12 divisors (see below), whose sum is σ = 264412371243516. Its totient is φ = 169515742152000.

The previous prime is 212565230475397. The next prime is 212565230475547. The reversal of 212565230475425 is 524574032565212.

It can be written as a sum of positive squares in 6 ways, for example, as 2147112881809 + 210418117593616 = 1465303^2 + 14505796^2 .

It is not a de Polignac number, because 212565230475425 - 2¹⁴ = 212565230459041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13411047626 + ... + 13411063475.

It is an arithmetic number, because the mean of its divisors is an integer number (22034364270293).

Almost surely, 2^{212565230475425} is an apocalyptic number.

212565230475425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212565230475425 is a deficient number, since it is larger than the sum of its proper divisors (51847140768091).

212565230475425 is a wasteful number, since it uses less digits than its factorization.

212565230475425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26822111428 (or 26822111423 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 53.

The spelling of 212565230475425 in words is "two hundred twelve trillion, five hundred sixty-five billion, two hundred thirty million, four hundred seventy-five thousand, four hundred twenty-five".