212403104 has 24 divisors (see below), whose sum is σ = 418561668. Its totient is φ = 106101760.

The previous prime is 212403067. The next prime is 212403119. The reversal of 212403104 is 401304212.

It can be written as a sum of positive squares in 2 ways, for example, as 194323600 + 18079504 = 13940^2 + 4252^2 .

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, 41114 + ... + 45990.

Almost surely, 2^212403104 is an apocalyptic number.

It is an amenable number.

212403104 is a deficient number, since it is larger than the sum of its proper divisors (206158564).

212403104 is a wasteful number, since it uses less digits than its factorization.

212403104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248 (or 6240 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 212403104 is about 14574.0558527817. The cubic root of 212403104 is about 596.6508811959.

Adding to 212403104 its reverse (401304212), we get a palindrome (613707316).

The spelling of 212403104 in words is "two hundred twelve million, four hundred three thousand, one hundred four".