12211212303013 has 8 divisors (see below), whose sum is σ = 12360780797400. Its totient is φ = 12062127068160.

The previous prime is 12211212302977. The next prime is 12211212303023. The reversal of 12211212303013 is 31030321211221.

It can be written as a sum of positive squares in 4 ways, for example, as 60815012449 + 12150397290564 = 246607^2 + 3485742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12211212303013 - 2¹³ = 12211212294821 is a prime.

It is a super-2 number, since 2×12211212303013² (a number of 27 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 (12211212303023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120764038 + ... + 120865111.

It is an arithmetic number, because the mean of its divisors is an integer number (1545097599675).

Almost surely, 2^{12211212303013} is an apocalyptic number.

It is an amenable number.

12211212303013 is a deficient number, since it is larger than the sum of its proper divisors (149568494387).

12211212303013 is an equidigital number, since it uses as much as digits as its factorization.

12211212303013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241629767.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12211212303013 its reverse (31030321211221), we get a palindrome (43241533514234).

The spelling of 12211212303013 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, three hundred three thousand, thirteen".