212763440000 has 160 divisors (see below), whose sum is σ = 538650545400. Its totient is φ = 83661056000.

The previous prime is 212763439951. The next prime is 212763440003. The reversal of 212763440000 is 44367212.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212763440003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4697462 + ... + 4742538.

Almost surely, 2^212763440000 is an apocalyptic number.

212763440000 is a gapful number since it is divisible by the number (20) 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 212763440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269325272700).

212763440000 is an abundant number, since it is smaller than the sum of its proper divisors (325887105400).

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

212763440000 is an frugal number, since it uses more digits than its factorization.

212763440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45170 (or 45143 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 212763440000 in words is "two hundred twelve billion, seven hundred sixty-three million, four hundred forty thousand".