32121065242 has 32 divisors (see below), whose sum is σ = 60838739712. Its totient is φ = 12393072384.

The previous prime is 32121065177. The next prime is 32121065243. The reversal of 32121065242 is 24256012123.

It is a self number, because there is not a number n which added to its sum of digits gives 32121065242.

It is not an unprimeable number, because it can be changed into a prime (32121065243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2928493 + ... + 2939440.

It is an arithmetic number, because the mean of its divisors is an integer number (1901210616).

Almost surely, 2^32121065242 is an apocalyptic number.

32121065242 is a deficient number, since it is larger than the sum of its proper divisors (28717674470).

32121065242 is a wasteful number, since it uses less digits than its factorization.

32121065242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867982.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 32121065242 its reverse (24256012123), we get a palindrome (56377077365).

The spelling of 32121065242 in words is "thirty-two billion, one hundred twenty-one million, sixty-five thousand, two hundred forty-two".