212660424464 has 20 divisors (see below), whose sum is σ = 415037091804. Its totient is φ = 105554078208.

The previous prime is 212660424463. The next prime is 212660424491. The reversal of 212660424464 is 464424066212.

It can be written as a sum of positive squares in 2 ways, for example, as 77095075600 + 135565348864 = 277660^2 + 368192^2 .

It is a super-2 number, since 2×212660424464² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212660424463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48506117 + ... + 48510500.

Almost surely, 2^212660424464 is an apocalyptic number.

It is an amenable number.

212660424464 is a deficient number, since it is larger than the sum of its proper divisors (202376667340).

212660424464 is a wasteful number, since it uses less digits than its factorization.

212660424464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97016762 (or 97016756 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 212660424464 in words is "two hundred twelve billion, six hundred sixty million, four hundred twenty-four thousand, four hundred sixty-four".