212404364132 has 12 divisors (see below), whose sum is σ = 372167108460. Its totient is φ = 106070904576.

The previous prime is 212404364113. The next prime is 212404364147. The reversal of 212404364132 is 231463404212.

It can be written as a sum of positive squares in 2 ways, for example, as 182657083456 + 29747280676 = 427384^2 + 172474^2 .

It is a super-2 number, since 2×212404364132² (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 3 ways as a sum of consecutive naturals, for example, 32815733 + ... + 32822204.

It is an arithmetic number, because the mean of its divisors is an integer number (31013925705).

Almost surely, 2^212404364132 is an apocalyptic number.

It is an amenable number.

212404364132 is a deficient number, since it is larger than the sum of its proper divisors (159762744328).

212404364132 is a wasteful number, since it uses less digits than its factorization.

212404364132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65638750 (or 65638748 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 212404364132 its reverse (231463404212), we get a palindrome (443867768344).

The spelling of 212404364132 in words is "two hundred twelve billion, four hundred four million, three hundred sixty-four thousand, one hundred thirty-two".