12101231212231 has 8 divisors (see below), whose sum is σ = 13840592489984. Its totient is φ = 10364523424920.

The previous prime is 12101231212207. The next prime is 12101231212243. The reversal of 12101231212231 is 13221213210121.

It is a happy number.

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

It is not a de Polignac number, because 12101231212231 - 2¹³ = 12101231204039 is a prime.

It is a super-2 number, since 2×12101231212231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101231212531) 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, 663362835 + ... + 663381076.

It is an arithmetic number, because the mean of its divisors is an integer number (1730074061248).

Almost surely, 2^{12101231212231} is an apocalyptic number.

12101231212231 is a deficient number, since it is larger than the sum of its proper divisors (1739361277753).

12101231212231 is a wasteful number, since it uses less digits than its factorization.

12101231212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326745221.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12101231212231 its reverse (13221213210121), we get a palindrome (25322444422352).

The spelling of 12101231212231 in words is "twelve trillion, one hundred one billion, two hundred thirty-one million, two hundred twelve thousand, two hundred thirty-one".