12203123102 has 4 divisors (see below), whose sum is σ = 18304684656. Its totient is φ = 6101561550.

The previous prime is 12203123077. The next prime is 12203123111. The reversal of 12203123102 is 20132130221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20132130221 = 7 ⋅2876018603.

It is a super-2 number, since 2×12203123102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050780774 + ... + 3050780777.

It is an arithmetic number, because the mean of its divisors is an integer number (4576171164).

Almost surely, 2^12203123102 is an apocalyptic number.

12203123102 is a deficient number, since it is larger than the sum of its proper divisors (6101561554).

12203123102 is an equidigital number, since it uses as much as digits as its factorization.

12203123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101561553.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12203123102 its reverse (20132130221), we get a palindrome (32335253323).

The spelling of 12203123102 in words is "twelve billion, two hundred three million, one hundred twenty-three thousand, one hundred two".