1201322323231 has 8 divisors (see below), whose sum is σ = 1221706080000. Its totient is φ = 1180939311960.

The previous prime is 1201322323199. The next prime is 1201322323247. The reversal of 1201322323231 is 1323232231021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201322323231 - 2⁵ = 1201322323199 is a prime.

It is a super-2 number, since 2×1201322323231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201322323196 and 1201322323205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201322323931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3770346 + ... + 4076536.

It is an arithmetic number, because the mean of its divisors is an integer number (152713260000).

Almost surely, 2^{1201322323231} is an apocalyptic number.

1201322323231 is a deficient number, since it is larger than the sum of its proper divisors (20383756769).

1201322323231 is an equidigital number, since it uses as much as digits as its factorization.

1201322323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372749.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1201322323231 its reverse (1323232231021), we get a palindrome (2524554554252).

The spelling of 1201322323231 in words is "one trillion, two hundred one billion, three hundred twenty-two million, three hundred twenty-three thousand, two hundred thirty-one".