32001232121320 has 128 divisors (see below), whose sum is σ = 90271198310400. Its totient is φ = 9918686880000.

The previous prime is 32001232121303. The next prime is 32001232121329. The reversal of 32001232121320 is 2312123210023.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 32001232121291 and 32001232121300.

It is not an unprimeable number, because it can be changed into a prime (32001232121329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28471056 + ... + 29573695.

It is an arithmetic number, because the mean of its divisors is an integer number (705243736800).

Almost surely, 2^{32001232121320} is an apocalyptic number.

It is an amenable number.

32001232121320 is an abundant number, since it is smaller than the sum of its proper divisors (58269966189080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32001232121320 is a wasteful number, since it uses less digits than its factorization.

32001232121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58044959 (or 58044955 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 32001232121320 its reverse (2312123210023), we get a palindrome (34313355331343).

The spelling of 32001232121320 in words is "thirty-two trillion, one billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred twenty".