12103020323296 has 96 divisors (see below), whose sum is σ = 27635593208832. Its totient is φ = 5110202065920.

The previous prime is 12103020323291. The next prime is 12103020323311. The reversal of 12103020323296 is 69232302030121.

It is a super-2 number, since 2×12103020323296² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103020323291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21462420 + ... + 22019116.

It is an arithmetic number, because the mean of its divisors is an integer number (287870762592).

Almost surely, 2^{12103020323296} is an apocalyptic number.

12103020323296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103020323296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13817796604416).

12103020323296 is an abundant number, since it is smaller than the sum of its proper divisors (15532572885536).

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

12103020323296 is a wasteful number, since it uses less digits than its factorization.

12103020323296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558152 (or 558144 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 12103020323296 in words is "twelve trillion, one hundred three billion, twenty million, three hundred twenty-three thousand, two hundred ninety-six".