212411404 has 12 divisors (see below), whose sum is σ = 371826504. Its totient is φ = 106175264.

The previous prime is 212411363. The next prime is 212411449. The reversal of 212411404 is 404114212.

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, 16767 + ... + 26569.

It is an arithmetic number, because the mean of its divisors is an integer number (30985542).

Almost surely, 2^212411404 is an apocalyptic number.

It is an amenable number.

212411404 is a deficient number, since it is larger than the sum of its proper divisors (159415100).

212411404 is a wasteful number, since it uses less digits than its factorization.

212411404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15224 (or 15222 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 212411404 is about 14574.3406025796. The cubic root of 212411404 is about 596.6586527989.

Adding to 212411404 its reverse (404114212), we get a palindrome (616525616).

The spelling of 212411404 in words is "two hundred twelve million, four hundred eleven thousand, four hundred four".