228120451208068 has 12 divisors (see below), whose sum is σ = 406743068663820. Its totient is φ = 111908145875552.

The previous prime is 228120451208051. The next prime is 228120451208087. The reversal of 228120451208068 is 860802154021822.

It can be written as a sum of positive squares in 2 ways, for example, as 166339625041984 + 61780826166084 = 12897272^2 + 7860078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538019931883 + ... + 538019932306.

It is an arithmetic number, because the mean of its divisors is an integer number (33895255721985).

Almost surely, 2^{228120451208068} is an apocalyptic number.

It is an amenable number.

228120451208068 is a deficient number, since it is larger than the sum of its proper divisors (178622617455752).

228120451208068 is a wasteful number, since it uses less digits than its factorization.

228120451208068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076039864246 (or 1076039864244 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 49.

The spelling of 228120451208068 in words is "two hundred twenty-eight trillion, one hundred twenty billion, four hundred fifty-one million, two hundred eight thousand, sixty-eight".