212054525522 has 96 divisors (see below), whose sum is σ = 388784026800. Its totient is φ = 86373568512.

The previous prime is 212054525509. The next prime is 212054525537. The reversal of 212054525522 is 225525450212.

It can be written as a sum of positive squares in 8 ways, for example, as 26585628601 + 185468896921 = 163051^2 + 430661^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209332688 + ... + 209333700.

Almost surely, 2^212054525522 is an apocalyptic number.

212054525522 is a deficient number, since it is larger than the sum of its proper divisors (176729501278).

212054525522 is a wasteful number, since it uses less digits than its factorization.

212054525522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140 (or 2133 counting only the distinct ones).

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

Adding to 212054525522 its reverse (225525450212), we get a palindrome (437579975734).

The spelling of 212054525522 in words is "two hundred twelve billion, fifty-four million, five hundred twenty-five thousand, five hundred twenty-two".