212114636464 has 20 divisors (see below), whose sum is σ = 411478880680. Its totient is φ = 105926538240.

The previous prime is 212114636347. The next prime is 212114636467. The reversal of 212114636464 is 464636411212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212114636467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8160369 + ... + 8186320.

It is an arithmetic number, because the mean of its divisors is an integer number (20573944034).

Almost surely, 2^212114636464 is an apocalyptic number.

It is an amenable number.

212114636464 is a deficient number, since it is larger than the sum of its proper divisors (199364244216).

212114636464 is a wasteful number, since it uses less digits than its factorization.

212114636464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16347508 (or 16347502 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The spelling of 212114636464 in words is "two hundred twelve billion, one hundred fourteen million, six hundred thirty-six thousand, four hundred sixty-four".