104578478212 has 12 divisors (see below), whose sum is σ = 197090209036. Its totient is φ = 48266989920.

The previous prime is 104578478197. The next prime is 104578478261. The reversal of 104578478212 is 212874875401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4124979076 + 100453499136 = 64226^2 + 316944^2 .

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, 1005562239 + ... + 1005562342.

Almost surely, 2^104578478212 is an apocalyptic number.

It is an amenable number.

104578478212 is a deficient number, since it is larger than the sum of its proper divisors (92511730824).

104578478212 is a wasteful number, since it uses less digits than its factorization.

104578478212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011124598 (or 2011124596 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 49.

The spelling of 104578478212 in words is "one hundred four billion, five hundred seventy-eight million, four hundred seventy-eight thousand, two hundred twelve".