1200232002321 has 96 divisors (see below), whose sum is σ = 2008186532352. Its totient is φ = 710053464960.

The previous prime is 1200232002301. The next prime is 1200232002331. The reversal of 1200232002321 is 1232002320021.

1200232002321 is a `hidden beast` number, since 1 + 20 + 0 + 2 + 320 + 0 + 2 + 321 = 666.

It is not a de Polignac number, because 1200232002321 - 2¹⁵ = 1200231969553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200232002294 and 1200232002303.

It is not an unprimeable number, because it can be changed into a prime (1200232002301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 326769741 + ... + 326773413.

It is an arithmetic number, because the mean of its divisors is an integer number (20918609712).

Almost surely, 2^{1200232002321} is an apocalyptic number.

1200232002321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200232002321 is a deficient number, since it is larger than the sum of its proper divisors (807954530031).

1200232002321 is a wasteful number, since it uses less digits than its factorization.

1200232002321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585 (or 6573 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1200232002321 its reverse (1232002320021), we get a palindrome (2432234322342).

The spelling of 1200232002321 in words is "one trillion, two hundred billion, two hundred thirty-two million, two thousand, three hundred twenty-one".