12001122212203 has 4 divisors (see below), whose sum is σ = 12001299269440. Its totient is φ = 12000945154968.

The previous prime is 12001122212153. The next prime is 12001122212213. The reversal of 12001122212203 is 30221222110021.

12001122212203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-12001122212203 is a prime.

It is a super-2 number, since 2×12001122212203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001122212213) 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, 88426908 + ... + 88562521.

It is an arithmetic number, because the mean of its divisors is an integer number (3000324817360).

Almost surely, 2^{12001122212203} is an apocalyptic number.

12001122212203 is a deficient number, since it is larger than the sum of its proper divisors (177057237).

12001122212203 is an equidigital number, since it uses as much as digits as its factorization.

12001122212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177057236.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12001122212203 its reverse (30221222110021), we get a palindrome (42222344322224).

The spelling of 12001122212203 in words is "twelve trillion, one billion, one hundred twenty-two million, two hundred twelve thousand, two hundred three".