32121023231000 has 512 divisors, whose sum is σ = 86596800675840. Its totient is φ = 11045030400000.

The previous prime is 32121023230987. The next prime is 32121023231009. The reversal of 32121023231000 is 13232012123.

It is a super-2 number, since 2×32121023231000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121023231009) 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, 4522173449 + ... + 4522180551.

It is an arithmetic number, because the mean of its divisors is an integer number (169134376320).

Almost surely, 2^{32121023231000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32121023231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43298400337920).

32121023231000 is an abundant number, since it is smaller than the sum of its proper divisors (54475777444840).

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

32121023231000 is a wasteful number, since it uses less digits than its factorization.

32121023231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484 (or 7470 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32121023231000 its reverse (13232012123), we get a palindrome (32134255243123).

The spelling of 32121023231000 in words is "thirty-two trillion, one hundred twenty-one billion, twenty-three million, two hundred thirty-one thousand".