32505234312 has 32 divisors (see below), whose sum is σ = 81311186880. Its totient is φ = 10828664640.

The previous prime is 32505234241. The next prime is 32505234323. The reversal of 32505234312 is 21343250523.

It is a super-2 number, since 2×32505234312² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32505234312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359364 + ... + 440627.

It is an arithmetic number, because the mean of its divisors is an integer number (2540974590).

Almost surely, 2^32505234312 is an apocalyptic number.

It is an amenable number.

32505234312 is an abundant number, since it is smaller than the sum of its proper divisors (48805952568).

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

32505234312 is a wasteful number, since it uses less digits than its factorization.

32505234312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801693 (or 801689 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 32505234312 its reverse (21343250523), we get a palindrome (53848484835).

The spelling of 32505234312 in words is "thirty-two billion, five hundred five million, two hundred thirty-four thousand, three hundred twelve".