213012240032 has 48 divisors (see below), whose sum is σ = 451705937760. Its totient is φ = 98553998592.

The previous prime is 213012240031. The next prime is 213012240047. The reversal of 213012240032 is 230042210312.

It is a super-2 number, since 2×213012240032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213012239986 and 213012240013.

It is not an unprimeable number, because it can be changed into a prime (213012240031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047683 + ... + 4099970.

It is an arithmetic number, because the mean of its divisors is an integer number (9410540370).

Almost surely, 2^213012240032 is an apocalyptic number.

It is an amenable number.

213012240032 is an abundant number, since it is smaller than the sum of its proper divisors (238693697728).

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

213012240032 is a wasteful number, since it uses less digits than its factorization.

213012240032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147725 (or 8147717 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213012240032 its reverse (230042210312), we get a palindrome (443054450344).

The spelling of 213012240032 in words is "two hundred thirteen billion, twelve million, two hundred forty thousand, thirty-two".