212591261752 has 32 divisors (see below), whose sum is σ = 401166082800. Its totient is φ = 105614417664.

The previous prime is 212591261741. The next prime is 212591261777. The reversal of 212591261752 is 257162195212.

It is a junction number, because it is equal to n+sod(n) for n = 212591261699 and 212591261708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179123 + ... + 2274589.

Almost surely, 2^212591261752 is an apocalyptic number.

It is an amenable number.

212591261752 is a deficient number, since it is larger than the sum of its proper divisors (188574821048).

212591261752 is a wasteful number, since it uses less digits than its factorization.

212591261752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97255 (or 97251 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The spelling of 212591261752 in words is "two hundred twelve billion, five hundred ninety-one million, two hundred sixty-one thousand, seven hundred fifty-two".