12243121102 has 8 divisors (see below), whose sum is σ = 18487935000. Its totient is φ = 6080476104.

The previous prime is 12243121063. The next prime is 12243121109. The reversal of 12243121102 is 20112134221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12243121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243121109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20541852 + ... + 20542447.

It is an arithmetic number, because the mean of its divisors is an integer number (2310991875).

Almost surely, 2^12243121102 is an apocalyptic number.

12243121102 is a deficient number, since it is larger than the sum of its proper divisors (6244813898).

12243121102 is a wasteful number, since it uses less digits than its factorization.

12243121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41084450.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12243121102 its reverse (20112134221), we get a palindrome (32355255323).

The spelling of 12243121102 in words is "twelve billion, two hundred forty-three million, one hundred twenty-one thousand, one hundred two".