32131201223121 has 128 divisors (see below), whose sum is σ = 58975060193280. Its totient is φ = 15019656422400.

The previous prime is 32131201223083. The next prime is 32131201223137. The reversal of 32131201223121 is 12132210213123.

It is not a de Polignac number, because 32131201223121 - 2⁶ = 32131201223057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32131201223091 and 32131201223100.

It is not an unprimeable number, because it can be changed into a prime (32131200223121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 65482231 + ... + 65971091.

It is an arithmetic number, because the mean of its divisors is an integer number (460742657760).

Almost surely, 2^{32131201223121} is an apocalyptic number.

It is an amenable number.

32131201223121 is a deficient number, since it is larger than the sum of its proper divisors (26843858970159).

32131201223121 is a wasteful number, since it uses less digits than its factorization.

32131201223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489447.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 32131201223121 its reverse (12132210213123), we get a palindrome (44263411436244).

The spelling of 32131201223121 in words is "thirty-two trillion, one hundred thirty-one billion, two hundred one million, two hundred twenty-three thousand, one hundred twenty-one".