32121204838 has 16 divisors (see below), whose sum is σ = 49748489856. Its totient is φ = 15538633920.

The previous prime is 32121204823. The next prime is 32121204839. The reversal of 32121204838 is 83840212123.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121204839) 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, 193570 + ... + 318922.

It is an arithmetic number, because the mean of its divisors is an integer number (3109280616).

Almost surely, 2^32121204838 is an apocalyptic number.

32121204838 is a deficient number, since it is larger than the sum of its proper divisors (17627285018).

32121204838 is a wasteful number, since it uses less digits than its factorization.

32121204838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129519.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 32121204838 in words is "thirty-two billion, one hundred twenty-one million, two hundred four thousand, eight hundred thirty-eight".