1200321024232 has 128 divisors (see below), whose sum is σ = 2539144143360. Its totient is φ = 527247947520.

The previous prime is 1200321024229. The next prime is 1200321024233. The reversal of 1200321024232 is 2324201230021.

It is a super-2 number, since 2×1200321024232² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1200321024233) 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, 140007498 + ... + 140016070.

It is an arithmetic number, because the mean of its divisors is an integer number (19837063620).

Almost surely, 2^{1200321024232} 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 1200321024232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269572071680).

1200321024232 is an abundant number, since it is smaller than the sum of its proper divisors (1338823119128).

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

1200321024232 is a wasteful number, since it uses less digits than its factorization.

1200321024232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9023 (or 9019 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1200321024232 its reverse (2324201230021), we get a palindrome (3524522254253).

The spelling of 1200321024232 in words is "one trillion, two hundred billion, three hundred twenty-one million, twenty-four thousand, two hundred thirty-two".