212577161276 has 12 divisors (see below), whose sum is σ = 372157031400. Its totient is φ = 106246580880.

The previous prime is 212577161267. The next prime is 212577161311. The reversal of 212577161276 is 672161775212.

It is a self number, because there is not a number n which added to its sum of digits gives 212577161276.

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, 10488551 + ... + 10508798.

It is an arithmetic number, because the mean of its divisors is an integer number (31013085950).

Almost surely, 2^212577161276 is an apocalyptic number.

It is an amenable number.

212577161276 is a deficient number, since it is larger than the sum of its proper divisors (159579870124).

212577161276 is a wasteful number, since it uses less digits than its factorization.

212577161276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20999884 (or 20999882 counting only the distinct ones).

The product of its digits is 493920, while the sum is 47.

The spelling of 212577161276 in words is "two hundred twelve billion, five hundred seventy-seven million, one hundred sixty-one thousand, two hundred seventy-six".