212211242402 has 16 divisors (see below), whose sum is σ = 335139604800. Its totient is φ = 100500348240.

The previous prime is 212211242389. The next prime is 212211242417. The reversal of 212211242402 is 204242112212.

It is a super-2 number, since 2×212211242402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389702 + ... + 759137.

It is an arithmetic number, because the mean of its divisors is an integer number (20946225300).

Almost surely, 2^212211242402 is an apocalyptic number.

212211242402 is a deficient number, since it is larger than the sum of its proper divisors (122928362398).

212211242402 is a wasteful number, since it uses less digits than its factorization.

212211242402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153721.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212211242402 its reverse (204242112212), we get a palindrome (416453354614).

The spelling of 212211242402 in words is "two hundred twelve billion, two hundred eleven million, two hundred forty-two thousand, four hundred two".