12003121022 has 4 divisors (see below), whose sum is σ = 18004681536. Its totient is φ = 6001560510.

The previous prime is 12003121019. The next prime is 12003121033. The reversal of 12003121022 is 22012130021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12003120988 and 12003121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000780254 + ... + 3000780257.

It is an arithmetic number, because the mean of its divisors is an integer number (4501170384).

Almost surely, 2^12003121022 is an apocalyptic number.

12003121022 is a deficient number, since it is larger than the sum of its proper divisors (6001560514).

12003121022 is an equidigital number, since it uses as much as digits as its factorization.

12003121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001560513.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12003121022 its reverse (22012130021), we get a palindrome (34015251043).

The spelling of 12003121022 in words is "twelve billion, three million, one hundred twenty-one thousand, twenty-two".