212104502 has 4 divisors (see below), whose sum is σ = 318156756. Its totient is φ = 106052250.

The previous prime is 212104499. The next prime is 212104531. The reversal of 212104502 is 205401212.

212104502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53026124 + ... + 53026127.

It is an arithmetic number, because the mean of its divisors is an integer number (79539189).

Almost surely, 2^212104502 is an apocalyptic number.

212104502 is a deficient number, since it is larger than the sum of its proper divisors (106052254).

212104502 is a wasteful number, since it uses less digits than its factorization.

212104502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106052253.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 212104502 is about 14563.8079498461. The cubic root of 212104502 is about 596.3711541168.

Adding to 212104502 its reverse (205401212), we get a palindrome (417505714).

The spelling of 212104502 in words is "two hundred twelve million, one hundred four thousand, five hundred two".