29471109912 has 96 divisors (see below), whose sum is σ = 84236022000. Its totient is φ = 9282574080.

The previous prime is 29471109911. The next prime is 29471109929. The reversal of 29471109912 is 21990117492.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29471109911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504462 + ... + 559842.

Almost surely, 2^29471109912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29471109912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42118011000).

29471109912 is an abundant number, since it is smaller than the sum of its proper divisors (54764912088).

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

29471109912 is a wasteful number, since it uses less digits than its factorization.

29471109912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55801 (or 55794 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 29471109912 in words is "twenty-nine billion, four hundred seventy-one million, one hundred nine thousand, nine hundred twelve".