28824225631212 has 48 divisors (see below), whose sum is σ = 73376383248000. Its totient is φ = 8733943935360.

The previous prime is 28824225631193. The next prime is 28824225631361. The reversal of 28824225631212 is 21213652242882.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6644662 + ... + 10089597.

It is an arithmetic number, because the mean of its divisors is an integer number (1528674651000).

Almost surely, 2^{28824225631212} is an apocalyptic number.

28824225631212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28824225631212 is an abundant number, since it is smaller than the sum of its proper divisors (44552157616788).

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

28824225631212 is a wasteful number, since it uses less digits than its factorization.

28824225631212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16747326 (or 16747324 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The spelling of 28824225631212 in words is "twenty-eight trillion, eight hundred twenty-four billion, two hundred twenty-five million, six hundred thirty-one thousand, two hundred twelve".