1201232333331 has 6 divisors (see below), whose sum is σ = 1735113370380. Its totient is φ = 800821555548.

The previous prime is 1201232333299. The next prime is 1201232333369. The reversal of 1201232333331 is 1333332321021.

1201232333331 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 2 + 323 + 3 + 3 + 331 = 666.

It is not a de Polignac number, because 1201232333331 - 2⁵ = 1201232333299 is a prime.

It is a super-2 number, since 2×1201232333331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201232333295 and 1201232333304.

It is not an unprimeable number, because it can be changed into a prime (1201232333731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66735129621 + ... + 66735129638.

It is an arithmetic number, because the mean of its divisors is an integer number (289185561730).

Almost surely, 2^{1201232333331} is an apocalyptic number.

1201232333331 is a deficient number, since it is larger than the sum of its proper divisors (533881037049).

1201232333331 is a wasteful number, since it uses less digits than its factorization.

1201232333331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133470259265 (or 133470259262 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1201232333331 its reverse (1333332321021), we get a palindrome (2534564654352).

The spelling of 1201232333331 in words is "one trillion, two hundred one billion, two hundred thirty-two million, three hundred thirty-three thousand, three hundred thirty-one".