212872479384 has 128 divisors (see below), whose sum is σ = 567464417280. Its totient is φ = 66313728000.

The previous prime is 212872479329. The next prime is 212872479427. The reversal of 212872479384 is 483974278212.

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, 34604709 + ... + 34610859.

It is an arithmetic number, because the mean of its divisors is an integer number (4433315760).

Almost surely, 2^212872479384 is an apocalyptic number.

212872479384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212872479384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283732208640).

212872479384 is an abundant number, since it is smaller than the sum of its proper divisors (354591937896).

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

212872479384 is a wasteful number, since it uses less digits than its factorization.

212872479384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761 (or 6757 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 57.

The spelling of 212872479384 in words is "two hundred twelve billion, eight hundred seventy-two million, four hundred seventy-nine thousand, three hundred eighty-four".