129150608112 has 360 divisors, whose sum is σ = 395357372592. Its totient is φ = 40814668800.

The previous prime is 129150608099. The next prime is 129150608173. The reversal of 129150608112 is 211806051921.

129150608112 is a `hidden beast` number, since 1 + 29 + 15 + 0 + 608 + 1 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 159248187 + ... + 159248997.

Almost surely, 2^129150608112 is an apocalyptic number.

129150608112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129150608112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197678686296).

129150608112 is an abundant number, since it is smaller than the sum of its proper divisors (266206764480).

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

129150608112 is an frugal number, since it uses more digits than its factorization.

129150608112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The spelling of 129150608112 in words is "one hundred twenty-nine billion, one hundred fifty million, six hundred eight thousand, one hundred twelve".