28212912000 has 768 divisors, whose sum is σ = 124758990720. Its totient is φ = 5949849600.

The previous prime is 28212911959. The next prime is 28212912043. The reversal of 28212912000 is 21921282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13102924 + ... + 13105076.

Almost surely, 2^28212912000 is an apocalyptic number.

28212912000 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 28212912000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62379495360).

28212912000 is an abundant number, since it is smaller than the sum of its proper divisors (96546078720).

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

28212912000 is a wasteful number, since it uses less digits than its factorization.

28212912000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 28212912000 in words is "twenty-eight billion, two hundred twelve million, nine hundred twelve thousand".