212528676529 has 16 divisors (see below), whose sum is σ = 237824871424. Its totient is φ = 188594568000.

The previous prime is 212528676517. The next prime is 212528676553. The reversal of 212528676529 is 925676825212.

It is a cyclic number.

It is not a de Polignac number, because 212528676529 - 2¹¹ = 212528674481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212528676529.

It is not an unprimeable number, because it can be changed into a prime (212528679529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685394 + ... + 1807099.

It is an arithmetic number, because the mean of its divisors is an integer number (14864054464).

Almost surely, 2^212528676529 is an apocalyptic number.

It is an amenable number.

212528676529 is a deficient number, since it is larger than the sum of its proper divisors (25296194895).

212528676529 is a wasteful number, since it uses less digits than its factorization.

212528676529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492688.

The product of its digits is 7257600, while the sum is 55.

The spelling of 212528676529 in words is "two hundred twelve billion, five hundred twenty-eight million, six hundred seventy-six thousand, five hundred twenty-nine".