32120400224201 has 4 divisors (see below), whose sum is σ = 32122942011012. Its totient is φ = 32117858437392.

The previous prime is 32120400224153. The next prime is 32120400224203. The reversal of 32120400224201 is 10242200402123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2938742204176 + 29181658020025 = 1714276^2 + 5402005^2 .

It is a cyclic number.

It is not a de Polignac number, because 32120400224201 - 2²⁶ = 32120333115337 is a prime.

It is a super-2 number, since 2×32120400224201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32120400224203) 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, 1270874450 + ... + 1270899723.

It is an arithmetic number, because the mean of its divisors is an integer number (8030735502753).

Almost surely, 2^{32120400224201} is an apocalyptic number.

It is an amenable number.

32120400224201 is a deficient number, since it is larger than the sum of its proper divisors (2541786811).

32120400224201 is a wasteful number, since it uses less digits than its factorization.

32120400224201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541786810.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 32120400224201 its reverse (10242200402123), we get a palindrome (42362600626324).

The spelling of 32120400224201 in words is "thirty-two trillion, one hundred twenty billion, four hundred million, two hundred twenty-four thousand, two hundred one".