212201264402 has 8 divisors (see below), whose sum is σ = 319434644412. Its totient is φ = 105723049600.

The previous prime is 212201264383. The next prime is 212201264489. The reversal of 212201264402 is 204462102212.

It can be written as a sum of positive squares in 2 ways, for example, as 206433013801 + 5768250601 = 454349^2 + 75949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212201264402² (a number of 23 digits) contains 22 as substring.

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, 188790599 + ... + 188791722.

Almost surely, 2^212201264402 is an apocalyptic number.

212201264402 is a deficient number, since it is larger than the sum of its proper divisors (107233380010).

212201264402 is a wasteful number, since it uses less digits than its factorization.

212201264402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377582604.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 212201264402 its reverse (204462102212), we get a palindrome (416663366614).

The spelling of 212201264402 in words is "two hundred twelve billion, two hundred one million, two hundred sixty-four thousand, four hundred two".