12000021031303 has 4 divisors (see below), whose sum is σ = 12110112967480. Its totient is φ = 11889929095128.

The previous prime is 12000021031291. The next prime is 12000021031307. The reversal of 12000021031303 is 30313012000021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000021031303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000021031307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55045967925 + ... + 55045968142.

It is an arithmetic number, because the mean of its divisors is an integer number (3027528241870).

Almost surely, 2^{12000021031303} is an apocalyptic number.

12000021031303 is a deficient number, since it is larger than the sum of its proper divisors (110091936177).

12000021031303 is a wasteful number, since it uses less digits than its factorization.

12000021031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110091936176.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12000021031303 its reverse (30313012000021), we get a palindrome (42313033031324).

The spelling of 12000021031303 in words is "twelve trillion, twenty-one million, thirty-one thousand, three hundred three".