12103003212000 has 96 divisors (see below), whose sum is σ = 39649438561824. Its totient is φ = 3227467520000.

The previous prime is 12103003211977. The next prime is 12103003212017. The reversal of 12103003212000 is 21230030121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504279801 + ... + 504303800.

It is an arithmetic number, because the mean of its divisors is an integer number (413014985019).

Almost surely, 2^{12103003212000} is an apocalyptic number.

12103003212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103003212000 is an abundant number, since it is smaller than the sum of its proper divisors (27546435349824).

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

12103003212000 is a wasteful number, since it uses less digits than its factorization.

12103003212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008583629 (or 1008583611 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12103003212000 its reverse (21230030121), we get a palindrome (12124233242121).

The spelling of 12103003212000 in words is "twelve trillion, one hundred three billion, three million, two hundred twelve thousand".