12103523326356 has 96 divisors (see below), whose sum is σ = 35212084776960. Its totient is φ = 3143608444800.

The previous prime is 12103523326327. The next prime is 12103523326471. The reversal of 12103523326356 is 65362332530121.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17925846 + ... + 18588786.

It is an arithmetic number, because the mean of its divisors is an integer number (366792549760).

Almost surely, 2^{12103523326356} is an apocalyptic number.

It is an amenable number.

12103523326356 is an abundant number, since it is smaller than the sum of its proper divisors (23108561450604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12103523326356 is a wasteful number, since it uses less digits than its factorization.

12103523326356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682725 (or 682723 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

Adding to 12103523326356 its reverse (65362332530121), we get a palindrome (77465855856477).

The spelling of 12103523326356 in words is "twelve trillion, one hundred three billion, five hundred twenty-three million, three hundred twenty-six thousand, three hundred fifty-six".