12021011112203 has 4 divisors (see below), whose sum is σ = 12073967108520. Its totient is φ = 11968055115888.

The previous prime is 12021011112191. The next prime is 12021011112281. The reversal of 12021011112203 is 30221111012021.

It is a happy number.

12021011112203 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 not a de Polignac number, because 12021011112203 - 2³⁶ = 11952291635467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021011412203) 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, 26477997818 + ... + 26477998271.

It is an arithmetic number, because the mean of its divisors is an integer number (3018491777130).

Almost surely, 2^{12021011112203} is an apocalyptic number.

12021011112203 is a deficient number, since it is larger than the sum of its proper divisors (52955996317).

12021011112203 is an equidigital number, since it uses as much as digits as its factorization.

12021011112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52955996316.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12021011112203 its reverse (30221111012021), we get a palindrome (42242122124224).

The spelling of 12021011112203 in words is "twelve trillion, twenty-one billion, eleven million, one hundred twelve thousand, two hundred three".