29101917412 has 24 divisors (see below), whose sum is σ = 51800376320. Its totient is φ = 14303913120.

The previous prime is 29101917401. The next prime is 29101917421. The reversal of 29101917412 is 21471910192.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207414 + ... + 318157.

Almost surely, 2^29101917412 is an apocalyptic number.

It is an amenable number.

29101917412 is a deficient number, since it is larger than the sum of its proper divisors (22698458908).

29101917412 is a wasteful number, since it uses less digits than its factorization.

29101917412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525811 (or 525809 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 29101917412 in words is "twenty-nine billion, one hundred one million, nine hundred seventeen thousand, four hundred twelve".