12022003213 has 4 divisors (see below), whose sum is σ = 13114912608. Its totient is φ = 10929093820.

The previous prime is 12022003199. The next prime is 12022003243. The reversal of 12022003213 is 31230022021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31230022021 = 11 ⋅2839092911.

It is a cyclic number.

It is not a de Polignac number, because 12022003213 - 2⁹ = 12022002701 is a prime.

It is a super-2 number, since 2×12022003213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022003243) 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, 546454681 + ... + 546454702.

It is an arithmetic number, because the mean of its divisors is an integer number (3278728152).

Almost surely, 2^12022003213 is an apocalyptic number.

It is an amenable number.

12022003213 is a deficient number, since it is larger than the sum of its proper divisors (1092909395).

12022003213 is a wasteful number, since it uses less digits than its factorization.

12022003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092909394.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12022003213 its reverse (31230022021), we get a palindrome (43252025234).

The spelling of 12022003213 in words is "twelve billion, twenty-two million, three thousand, two hundred thirteen".