29100112112 has 80 divisors (see below), whose sum is σ = 60907768320. Its totient is φ = 13423449600.

The previous prime is 29100112091. The next prime is 29100112157. The reversal of 29100112112 is 21121100192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8012537 + ... + 8016167.

It is an arithmetic number, because the mean of its divisors is an integer number (761347104).

Almost surely, 2^29100112112 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 29100112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30453884160).

29100112112 is an abundant number, since it is smaller than the sum of its proper divisors (31807656208).

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

29100112112 is a wasteful number, since it uses less digits than its factorization.

29100112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342 (or 4336 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 29100112112 in words is "twenty-nine billion, one hundred million, one hundred twelve thousand, one hundred twelve".