11312012232201 has 8 divisors (see below), whose sum is σ = 15084449753184. Its totient is φ = 7540458099680.

The previous prime is 11312012232197. The next prime is 11312012232253. The reversal of 11312012232201 is 10223221021311.

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 11312012232201 - 2² = 11312012232197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11312012232271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220817235 + ... + 220868456.

It is an arithmetic number, because the mean of its divisors is an integer number (1885556219148).

Almost surely, 2^{11312012232201} is an apocalyptic number.

It is an amenable number.

11312012232201 is a deficient number, since it is larger than the sum of its proper divisors (3772437520983).

11312012232201 is an equidigital number, since it uses as much as digits as its factorization.

11312012232201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441694231.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11312012232201 its reverse (10223221021311), we get a palindrome (21535233253512).

The spelling of 11312012232201 in words is "eleven trillion, three hundred twelve billion, twelve million, two hundred thirty-two thousand, two hundred one".