904271512212 has 18 divisors (see below), whose sum is σ = 2285797433738. Its totient is φ = 301423837392.

The previous prime is 904271512159. The next prime is 904271512267. The reversal of 904271512212 is 212215172409.

It is a happy number.

904271512212 is a `hidden beast` number, since 9 + 0 + 427 + 1 + 5 + 1 + 221 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 651578297616 + 252693214596 = 807204^2 + 502686^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 25118653117 = 904271512212 / (9 + 0 + 4 + 2 + 7 + 1 + 5 + 1 + 2 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12559326523 + ... + 12559326594.

Almost surely, 2^904271512212 is an apocalyptic number.

It is an amenable number.

904271512212 is an abundant number, since it is smaller than the sum of its proper divisors (1381525921526).

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

904271512212 is a wasteful number, since it uses less digits than its factorization.

904271512212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25118653127 (or 25118653122 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 904271512212 in words is "nine hundred four billion, two hundred seventy-one million, five hundred twelve thousand, two hundred twelve".