32440121412 has 48 divisors (see below), whose sum is σ = 80273515392. Its totient is φ = 10161123840.

The previous prime is 32440121411. The next prime is 32440121431. The reversal of 32440121412 is 21412104423.

It is a super-2 number, since 2×32440121412² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32440121411) 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 15 ways as a sum of consecutive naturals, for example, 2718 + ... + 254730.

It is an arithmetic number, because the mean of its divisors is an integer number (1672364904).

Almost surely, 2^32440121412 is an apocalyptic number.

It is an amenable number.

32440121412 is an abundant number, since it is smaller than the sum of its proper divisors (47833393980).

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

32440121412 is a wasteful number, since it uses less digits than its factorization.

32440121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252668 (or 252666 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 32440121412 its reverse (21412104423), we get a palindrome (53852225835).

The spelling of 32440121412 in words is "thirty-two billion, four hundred forty million, one hundred twenty-one thousand, four hundred twelve".