212421044232 has 24 divisors (see below), whose sum is σ = 575306994990. Its totient is φ = 70807014720.

The previous prime is 212421044201. The next prime is 212421044233. The reversal of 212421044232 is 232440124212.

It is a happy number.

212421044232 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 210 + 442 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 107837364996 + 104583679236 = 328386^2 + 323394^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×212421044232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212421044196 and 212421044205.

It is not an unprimeable number, because it can be changed into a prime (212421044233) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1475146069 + ... + 1475146212.

Almost surely, 2^212421044232 is an apocalyptic number.

It is an amenable number.

212421044232 is an abundant number, since it is smaller than the sum of its proper divisors (362885950758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212421044232 is a wasteful number, since it uses less digits than its factorization.

212421044232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950292293 (or 2950292286 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 212421044232 its reverse (232440124212), we get a palindrome (444861168444).

The spelling of 212421044232 in words is "two hundred twelve billion, four hundred twenty-one million, forty-four thousand, two hundred thirty-two".