12211234129 has 8 divisors (see below), whose sum is σ = 12764486592. Its totient is φ = 11659842480.

The previous prime is 12211234117. The next prime is 12211234157. The reversal of 12211234129 is 92143211221.

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 12211234129 - 2⁷ = 12211234001 is a prime.

It is a super-2 number, since 2×12211234129² (a number of 21 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 = 12211234097 and 12211234106.

It is not an unprimeable number, because it can be changed into a prime (12211234109) 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, 451774 + ... + 478039.

It is an arithmetic number, because the mean of its divisors is an integer number (1595560824).

Almost surely, 2^12211234129 is an apocalyptic number.

It is an amenable number.

12211234129 is a deficient number, since it is larger than the sum of its proper divisors (553252463).

12211234129 is an equidigital number, since it uses as much as digits as its factorization.

12211234129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930407.

The product of its digits is 1728, while the sum is 28.

The spelling of 12211234129 in words is "twelve billion, two hundred eleven million, two hundred thirty-four thousand, one hundred twenty-nine".