12012211003 has 8 divisors (see below), whose sum is σ = 12948911696. Its totient is φ = 11077322400.

The previous prime is 12012210971. The next prime is 12012211009. The reversal of 12012211003 is 30011221021.

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

It is a cyclic number.

It is not a de Polignac number, because 12012211003 - 2⁵ = 12012210971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012211009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439233 + ... + 465778.

It is an arithmetic number, because the mean of its divisors is an integer number (1618613962).

Almost surely, 2^12012211003 is an apocalyptic number.

12012211003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12012211003 is a deficient number, since it is larger than the sum of its proper divisors (936700693).

12012211003 is a wasteful number, since it uses less digits than its factorization.

12012211003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906045.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12012211003 its reverse (30011221021), we get a palindrome (42023432024).

The spelling of 12012211003 in words is "twelve billion, twelve million, two hundred eleven thousand, three".