212303663865792 has 420 divisors, whose sum is σ = 665937203348736. Its totient is φ = 66867988838400.

The previous prime is 212303663865791. The next prime is 212303663865823. The reversal of 212303663865792 is 297568366303212.

It is a happy number.

212303663865792 is a `hidden beast` number, since 2 + 1 + 23 + 0 + 3 + 6 + 6 + 38 + 6 + 579 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212303663865791) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 716607292 + ... + 716903492.

Almost surely, 2^{212303663865792} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212303663865792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332968601674368).

212303663865792 is an abundant number, since it is smaller than the sum of its proper divisors (453633539482944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212303663865792 is a wasteful number, since it uses less digits than its factorization.

212303663865792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296646 (or 296608 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 212303663865792 in words is "two hundred twelve trillion, three hundred three billion, six hundred sixty-three million, eight hundred sixty-five thousand, seven hundred ninety-two".