212734776652 has 12 divisors (see below), whose sum is σ = 373843542240. Its totient is φ = 105922336016.

The previous prime is 212734776607. The next prime is 212734776673. The reversal of 212734776652 is 256677437212.

It is a self number, because there is not a number n which added to its sum of digits gives 212734776652.

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, 111262003 + ... + 111263914.

It is an arithmetic number, because the mean of its divisors is an integer number (31153628520).

Almost surely, 2^212734776652 is an apocalyptic number.

It is an amenable number.

212734776652 is a deficient number, since it is larger than the sum of its proper divisors (161108765588).

212734776652 is a wasteful number, since it uses less digits than its factorization.

212734776652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222526160 (or 222526158 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 52.

The spelling of 212734776652 in words is "two hundred twelve billion, seven hundred thirty-four million, seven hundred seventy-six thousand, six hundred fifty-two".