1232131201111 has 8 divisors (see below), whose sum is σ = 1246009037760. Its totient is φ = 1218254112768.

The previous prime is 1232131201069. The next prime is 1232131201117. The reversal of 1232131201111 is 1111021312321.

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 1232131201111 - 2¹⁹ = 1232130676823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232131201117) 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, 3540375 + ... + 3872791.

It is an arithmetic number, because the mean of its divisors is an integer number (155751129720).

Almost surely, 2^{1232131201111} is an apocalyptic number.

1232131201111 is a deficient number, since it is larger than the sum of its proper divisors (13877836649).

1232131201111 is an equidigital number, since it uses as much as digits as its factorization.

1232131201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374153.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1232131201111 its reverse (1111021312321), we get a palindrome (2343152513432).

The spelling of 1232131201111 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-one million, two hundred one thousand, one hundred eleven".