212133304402 has 24 divisors (see below), whose sum is σ = 335872360512. Its totient is φ = 100471152600.

The previous prime is 212133304351. The next prime is 212133304463. The reversal of 212133304402 is 204403331212.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7719627 + ... + 7747057.

It is an arithmetic number, because the mean of its divisors is an integer number (13994681688).

Almost surely, 2^212133304402 is an apocalyptic number.

212133304402 is a deficient number, since it is larger than the sum of its proper divisors (123739056110).

212133304402 is a wasteful number, since it uses less digits than its factorization.

212133304402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38182 (or 38163 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 212133304402 its reverse (204403331212), we get a palindrome (416536635614).

The spelling of 212133304402 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred four thousand, four hundred two".