29000020312 has 16 divisors (see below), whose sum is σ = 55296649800. Its totient is φ = 14254247040.

The previous prime is 29000020303. The next prime is 29000020319. The reversal of 29000020312 is 21302000092.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29000020312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29000020319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30719889 + ... + 30720832.

Almost surely, 2^29000020312 is an apocalyptic number.

It is an amenable number.

29000020312 is a deficient number, since it is larger than the sum of its proper divisors (26296629488).

29000020312 is a wasteful number, since it uses less digits than its factorization.

29000020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61440786 (or 61440782 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 29000020312 in words is "twenty-nine billion, twenty thousand, three hundred twelve".