212133310402 has 16 divisors (see below), whose sum is σ = 354493331640. Its totient is φ = 94531554432.

The previous prime is 212133310393. The next prime is 212133310427. The reversal of 212133310402 is 204013331212.

212133310402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 202195014921 + 9938295481 = 449661^2 + 99691^2 .

It is a super-2 number, since 2×212133310402² (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, 140671203 + ... + 140672710.

Almost surely, 2^212133310402 is an apocalyptic number.

212133310402 is a deficient number, since it is larger than the sum of its proper divisors (142360021238).

212133310402 is a wasteful number, since it uses less digits than its factorization.

212133310402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281343957.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212133310402 its reverse (204013331212), we get a palindrome (416146641614).

The spelling of 212133310402 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred ten thousand, four hundred two".