12211303212131 has 8 divisors (see below), whose sum is σ = 12217558326720. Its totient is φ = 12205049453568.

The previous prime is 12211303212127. The next prime is 12211303212139. The reversal of 12211303212131 is 13121230311221.

It is a happy number.

12211303212131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12211303212131 - 2² = 12211303212127 is a prime.

It is a super-2 number, since 2×12211303212131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211303212097 and 12211303212106.

It is not an unprimeable number, because it can be changed into a prime (12211303212139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17927270 + ... + 18595956.

It is an arithmetic number, because the mean of its divisors is an integer number (1527194790840).

Almost surely, 2^{12211303212131} is an apocalyptic number.

12211303212131 is a deficient number, since it is larger than the sum of its proper divisors (6255114589).

12211303212131 is an equidigital number, since it uses as much as digits as its factorization.

12211303212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678013.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12211303212131 its reverse (13121230311221), we get a palindrome (25332533523352).

The spelling of 12211303212131 in words is "twelve trillion, two hundred eleven billion, three hundred three million, two hundred twelve thousand, one hundred thirty-one".