212644909048 has 128 divisors (see below), whose sum is σ = 486877547520. Its totient is φ = 85762920960.

The previous prime is 212644908991. The next prime is 212644909051. The reversal of 212644909048 is 840909446212.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 212644908992 and 212644909010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3482961 + ... + 3543487.

It is an arithmetic number, because the mean of its divisors is an integer number (3803730840).

Almost surely, 2^212644909048 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 212644909048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243438773760).

212644909048 is an abundant number, since it is smaller than the sum of its proper divisors (274232638472).

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

212644909048 is a wasteful number, since it uses less digits than its factorization.

212644909048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60677 (or 60673 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 212644909048 in words is "two hundred twelve billion, six hundred forty-four million, nine hundred nine thousand, forty-eight".