12103023121320 has 32 divisors (see below), whose sum is σ = 36309069364320. Its totient is φ = 3227472832320.

The previous prime is 12103023121307. The next prime is 12103023121351. The reversal of 12103023121320 is 2312132030121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50429262886 + ... + 50429263125.

It is an arithmetic number, because the mean of its divisors is an integer number (1134658417635).

Almost surely, 2^{12103023121320} is an apocalyptic number.

12103023121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103023121320 is an abundant number, since it is smaller than the sum of its proper divisors (24206046243000).

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

12103023121320 is a wasteful number, since it uses less digits than its factorization.

12103023121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100858526025 (or 100858526021 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12103023121320 its reverse (2312132030121), we get a palindrome (14415155151441).

The spelling of 12103023121320 in words is "twelve trillion, one hundred three billion, twenty-three million, one hundred twenty-one thousand, three hundred twenty".