212249800468 has 6 divisors (see below), whose sum is σ = 371437150826. Its totient is φ = 106124900232.

The previous prime is 212249800397. The next prime is 212249800487. The reversal of 212249800468 is 864008942212.

212249800468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 142145588484 + 70104211984 = 377022^2 + 264772^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26531225055 + ... + 26531225062.

Almost surely, 2^212249800468 is an apocalyptic number.

It is an amenable number.

212249800468 is a deficient number, since it is larger than the sum of its proper divisors (159187350358).

212249800468 is a wasteful number, since it uses less digits than its factorization.

212249800468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53062450121 (or 53062450119 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 212249800468 in words is "two hundred twelve billion, two hundred forty-nine million, eight hundred thousand, four hundred sixty-eight".