12103021111332 has 24 divisors (see below), whose sum is σ = 28241090834656. Its totient is φ = 4034239193088.

The previous prime is 12103021111331. The next prime is 12103021111351. The reversal of 12103021111332 is 23311112030121.

It is a junction number, because it is equal to n+sod(n) for n = 12103021111299 and 12103021111308.

It is not an unprimeable number, because it can be changed into a prime (12103021111331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12147958 + ... + 13106445.

Almost surely, 2^{12103021111332} is an apocalyptic number.

12103021111332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103021111332 is an abundant number, since it is smaller than the sum of its proper divisors (16138069723324).

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

12103021111332 is a wasteful number, since it uses less digits than its factorization.

12103021111332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25294347 (or 25294345 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12103021111332 its reverse (23311112030121), we get a palindrome (35414133141453).

The spelling of 12103021111332 in words is "twelve trillion, one hundred three billion, twenty-one million, one hundred eleven thousand, three hundred thirty-two".