32121223212112 has 20 divisors (see below), whose sum is σ = 62248188087540. Its totient is φ = 16057174673408.

The previous prime is 32121223212107. The next prime is 32121223212151. The reversal of 32121223212112 is 21121232212123.

It can be written as a sum of positive squares in 2 ways, for example, as 13594086984256 + 18527136227856 = 3687016^2 + 4304316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214731187 + ... + 214880722.

It is an arithmetic number, because the mean of its divisors is an integer number (3112409404377).

Almost surely, 2^{32121223212112} is an apocalyptic number.

It is an amenable number.

32121223212112 is a deficient number, since it is larger than the sum of its proper divisors (30126964875428).

32121223212112 is a wasteful number, since it uses less digits than its factorization.

32121223212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429616590 (or 429616584 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 32121223212112 its reverse (21121232212123), we get a palindrome (53242455424235).

The spelling of 32121223212112 in words is "thirty-two trillion, one hundred twenty-one billion, two hundred twenty-three million, two hundred twelve thousand, one hundred twelve".