12011012122003 has 6 divisors (see below), whose sum is σ = 12676442156844. Its totient is φ = 11378853588924.

The previous prime is 12011012121967. The next prime is 12011012122051. The reversal of 12011012122003 is 30022121011021.

It is not a de Polignac number, because 12011012122003 - 2⁹ = 12011012121491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011012122103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16635750501 + ... + 16635751222.

It is an arithmetic number, because the mean of its divisors is an integer number (2112740359474).

Almost surely, 2^{12011012122003} is an apocalyptic number.

12011012122003 is a deficient number, since it is larger than the sum of its proper divisors (665430034841).

12011012122003 is an equidigital number, since it uses as much as digits as its factorization.

12011012122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33271501761 (or 33271501742 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011012122003 its reverse (30022121011021), we get a palindrome (42033133133024).

The spelling of 12011012122003 in words is "twelve trillion, eleven billion, twelve million, one hundred twenty-two thousand, three".