1231232001333 has 16 divisors (see below), whose sum is σ = 1686763401792. Its totient is φ = 798381936000.

The previous prime is 1231232001271. The next prime is 1231232001481. The reversal of 1231232001333 is 3331002321321.

It is not a de Polignac number, because 1231232001333 - 2⁶ = 1231232001269 is a prime.

It is a super-2 number, since 2×1231232001333² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231232001533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15080158 + ... + 15161583.

It is an arithmetic number, because the mean of its divisors is an integer number (105422712612).

Almost surely, 2^{1231232001333} is an apocalyptic number.

It is an amenable number.

1231232001333 is a deficient number, since it is larger than the sum of its proper divisors (455531400459).

1231232001333 is a wasteful number, since it uses less digits than its factorization.

1231232001333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30242116.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1231232001333 its reverse (3331002321321), we get a palindrome (4562234322654).

The spelling of 1231232001333 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-two million, one thousand, three hundred thirty-three".