212244463634 has 24 divisors (see below), whose sum is σ = 386446889088. Its totient is φ = 87007046280.

The previous prime is 212244463591. The next prime is 212244463643. The reversal of 212244463634 is 436364442212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212244463591 and 212244463600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47079482 + ... + 47083989.

It is an arithmetic number, because the mean of its divisors is an integer number (16101953712).

Almost surely, 2^212244463634 is an apocalyptic number.

212244463634 is a deficient number, since it is larger than the sum of its proper divisors (174202425454).

212244463634 is a wasteful number, since it uses less digits than its factorization.

212244463634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94163510 (or 94163503 counting only the distinct ones).

The product of its digits is 663552, while the sum is 41.

The spelling of 212244463634 in words is "two hundred twelve billion, two hundred forty-four million, four hundred sixty-three thousand, six hundred thirty-four".