12012001131103 has 8 divisors (see below), whose sum is σ = 12336829979760. Its totient is φ = 11687181765120.

The previous prime is 12012001131083. The next prime is 12012001131121. The reversal of 12012001131103 is 30113110021021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012001131103 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 (12012001131803) 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, 235263 + ... + 4907071.

It is an arithmetic number, because the mean of its divisors is an integer number (1542103747470).

Almost surely, 2^{12012001131103} is an apocalyptic number.

12012001131103 is a deficient number, since it is larger than the sum of its proper divisors (324828848657).

12012001131103 is an equidigital number, since it uses as much as digits as its factorization.

12012001131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741337.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12012001131103 its reverse (30113110021021), we get a palindrome (42125111152124).

The spelling of 12012001131103 in words is "twelve trillion, twelve billion, one million, one hundred thirty-one thousand, one hundred three".