228803212512 has 192 divisors, whose sum is σ = 763582579200. Its totient is φ = 65294760960.

The previous prime is 228803212493. The next prime is 228803212613. The reversal of 228803212512 is 215212308822.

228803212512 is a `hidden beast` number, since 2 + 2 + 8 + 80 + 321 + 251 + 2 = 666.

It is a super-2 number, since 2×228803212512² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 5173212 + ... + 5217252.

It is an arithmetic number, because the mean of its divisors is an integer number (3976992600).

Almost surely, 2^228803212512 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 228803212512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381791289600).

228803212512 is an abundant number, since it is smaller than the sum of its proper divisors (534779366688).

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

228803212512 is a wasteful number, since it uses less digits than its factorization.

228803212512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44926 (or 44912 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 228803212512 in words is "two hundred twenty-eight billion, eight hundred three million, two hundred twelve thousand, five hundred twelve".