32121012122 has 8 divisors (see below), whose sum is σ = 48310692276. Its totient is φ = 16017448032.

The previous prime is 32121012107. The next prime is 32121012127. The reversal of 32121012122 is 22121012123.

It can be written as a sum of positive squares in 2 ways, for example, as 30768317281 + 1352694841 = 175409^2 + 36779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 32121012122.

It is not an unprimeable number, because it can be changed into a prime (32121012127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21528083 + ... + 21529574.

Almost surely, 2^32121012122 is an apocalyptic number.

32121012122 is a deficient number, since it is larger than the sum of its proper divisors (16189680154).

32121012122 is a wasteful number, since it uses less digits than its factorization.

32121012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43058032.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 32121012122 its reverse (22121012123), we get a palindrome (54242024245).

Subtracting from 32121012122 its reverse (22121012123), we obtain a palindrome (9999999999).

The spelling of 32121012122 in words is "thirty-two billion, one hundred twenty-one million, twelve thousand, one hundred twenty-two".