29929747122 has 90 divisors (see below), whose sum is σ = 71544417165. Its totient is φ = 9042707520.

The previous prime is 29929747109. The next prime is 29929747151. The reversal of 29929747122 is 22174792992.

29929747122 is a `hidden beast` number, since 299 + 297 + 47 + 1 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28247188761 + 1682558361 = 168069^2 + 41019^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=122331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 88812138 + ... + 88812474.

Almost surely, 2^29929747122 is an apocalyptic number.

29929747122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 29929747122

29929747122 is an abundant number, since it is smaller than the sum of its proper divisors (41614670043).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29929747122 is an frugal number, since it uses more digits than its factorization.

29929747122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 353 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The spelling of 29929747122 in words is "twenty-nine billion, nine hundred twenty-nine million, seven hundred forty-seven thousand, one hundred twenty-two".