212230402 has 16 divisors (see below), whose sum is σ = 330723072. Its totient is φ = 102033360.

The previous prime is 212230373. The next prime is 212230423. The reversal of 212230402 is 204032212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168 + ... + 20635.

It is an arithmetic number, because the mean of its divisors is an integer number (20670192).

Almost surely, 2^212230402 is an apocalyptic number.

212230402 is a deficient number, since it is larger than the sum of its proper divisors (118492670).

212230402 is a wasteful number, since it uses less digits than its factorization.

212230402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21993.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 212230402 is about 14568.1296671879. The cubic root of 212230402 is about 596.4891278462.

Adding to 212230402 its reverse (204032212), we get a palindrome (416262614).

The spelling of 212230402 in words is "two hundred twelve million, two hundred thirty thousand, four hundred two".