29321217122 has 6 divisors (see below), whose sum is σ = 43982188929. Its totient is φ = 14660487480.

The previous prime is 29321217097. The next prime is 29321217127. The reversal of 29321217122 is 22171212392.

It can be written as a sum of positive squares in 2 ways, for example, as 28480275121 + 840942001 = 168761^2 + 28999^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=121081.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29321217127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 181622 + ... + 302702.

Almost surely, 2^29321217122 is an apocalyptic number.

29321217122 is a deficient number, since it is larger than the sum of its proper divisors (14660971807).

29321217122 is an frugal number, since it uses more digits than its factorization.

29321217122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242164 (or 121083 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

Multiplying 29321217122 by its sum of digits (32), we get a square (938278947904 = 968648²).

The spelling of 29321217122 in words is "twenty-nine billion, three hundred twenty-one million, two hundred seventeen thousand, one hundred twenty-two".