12111223102 has 8 divisors (see below), whose sum is σ = 19818365112. Its totient is φ = 5505101400.

The previous prime is 12111223099. The next prime is 12111223109. The reversal of 12111223102 is 20132211121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111223109) 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, 275255049 + ... + 275255092.

It is an arithmetic number, because the mean of its divisors is an integer number (2477295639).

Almost surely, 2^12111223102 is an apocalyptic number.

12111223102 is a deficient number, since it is larger than the sum of its proper divisors (7707142010).

12111223102 is a wasteful number, since it uses less digits than its factorization.

12111223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550510154.

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

Adding to 12111223102 its reverse (20132211121), we get a palindrome (32243434223).

The spelling of 12111223102 in words is "twelve billion, one hundred eleven million, two hundred twenty-three thousand, one hundred two".