12211203029 has 2 divisors, whose sum is σ = 12211203030. Its totient is φ = 12211203028.

The previous prime is 12211203019. The next prime is 12211203031. The reversal of 12211203029 is 92030211221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10174756900 + 2036446129 = 100870^2 + 45127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12211203029 is a prime.

It is a super-2 number, since 2×12211203029² (a number of 21 digits) contains 22 as substring.

Together with 12211203031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12211202995 and 12211203013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211203019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105601514 + 6105601515.

It is an arithmetic number, because the mean of its divisors is an integer number (6105601515).

Almost surely, 2^12211203029 is an apocalyptic number.

It is an amenable number.

12211203029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211203029 is an equidigital number, since it uses as much as digits as its factorization.

12211203029 is an evil number, because the sum of its binary digits is even.

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

The spelling of 12211203029 in words is "twelve billion, two hundred eleven million, two hundred three thousand, twenty-nine".