12103502000 has 80 divisors (see below), whose sum is σ = 29388874944. Its totient is φ = 4821120000.

The previous prime is 12103501997. The next prime is 12103502009. The reversal of 12103502000 is 20530121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (12103502009) 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, 469445 + ... + 494555.

Almost surely, 2^12103502000 is an apocalyptic number.

12103502000 is a gapful number since it is divisible by the number (10) 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 12103502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14694437472).

12103502000 is an abundant number, since it is smaller than the sum of its proper divisors (17285372944).

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

12103502000 is a wasteful number, since it uses less digits than its factorization.

12103502000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25375 (or 25359 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The spelling of 12103502000 in words is "twelve billion, one hundred three million, five hundred two thousand".