12311202029 has 6 divisors (see below), whose sum is σ = 14321194254. Its totient is φ = 10552458840.

The previous prime is 12311202023. The next prime is 12311202031. The reversal of 12311202029 is 92020211321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10167697225 + 2143504804 = 100835^2 + 46298^2 .

It is not a de Polignac number, because 12311202029 - 2¹² = 12311197933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12311201995 and 12311202013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311202023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125624462 + ... + 125624559.

It is an arithmetic number, because the mean of its divisors is an integer number (2386865709).

Almost surely, 2^12311202029 is an apocalyptic number.

It is an amenable number.

12311202029 is a deficient number, since it is larger than the sum of its proper divisors (2009992225).

12311202029 is an equidigital number, since it uses as much as digits as its factorization.

12311202029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251249035 (or 251249028 counting only the distinct ones).

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

The spelling of 12311202029 in words is "twelve billion, three hundred eleven million, two hundred two thousand, twenty-nine".