12101121223 has 8 divisors (see below), whose sum is σ = 12741131520. Its totient is φ = 11461421880.

The previous prime is 12101121211. The next prime is 12101121239. The reversal of 12101121223 is 32212110121.

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 12101121223 - 2²¹ = 12099024071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101121197 and 12101121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101121283) 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, 4386 + ... + 155632.

It is an arithmetic number, because the mean of its divisors is an integer number (1592641440).

Almost surely, 2^12101121223 is an apocalyptic number.

12101121223 is a deficient number, since it is larger than the sum of its proper divisors (640010297).

12101121223 is a wasteful number, since it uses less digits than its factorization.

12101121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155477.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12101121223 its reverse (32212110121), we get a palindrome (44313231344).

The spelling of 12101121223 in words is "twelve billion, one hundred one million, one hundred twenty-one thousand, two hundred twenty-three".