28212303104 has 36 divisors (see below), whose sum is σ = 56328306720. Its totient is φ = 14102668800.

The previous prime is 28212303103. The next prime is 28212303107. The reversal of 28212303104 is 40130321282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28212303101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256327 + ... + 1278585.

Almost surely, 2^28212303104 is an apocalyptic number.

It is an amenable number.

28212303104 is a deficient number, since it is larger than the sum of its proper divisors (28116003616).

28212303104 is an equidigital number, since it uses as much as digits as its factorization.

28212303104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27226 (or 27212 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 28212303104 its reverse (40130321282), we get a palindrome (68342624386).

The spelling of 28212303104 in words is "twenty-eight billion, two hundred twelve million, three hundred three thousand, one hundred four".