28476402931212 has 12 divisors (see below), whose sum is σ = 66444940172856. Its totient is φ = 9492134310400.

The previous prime is 28476402931199. The next prime is 28476402931253. The reversal of 28476402931212 is 21213920467482.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1186516788789 + ... + 1186516788812.

It is an arithmetic number, because the mean of its divisors is an integer number (5537078347738).

Almost surely, 2^{28476402931212} is an apocalyptic number.

It is an amenable number.

28476402931212 is an abundant number, since it is smaller than the sum of its proper divisors (37968537241644).

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

28476402931212 is a wasteful number, since it uses less digits than its factorization.

28476402931212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373033577608 (or 2373033577606 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 28476402931212 in words is "twenty-eight trillion, four hundred seventy-six billion, four hundred two million, nine hundred thirty-one thousand, two hundred twelve".