129301266600000 has 5376 divisors, whose sum is σ = 579326760714240. Its totient is φ = 27941760000000.

The previous prime is 129301266599963. The next prime is 129301266600053. The reversal of 129301266600000 is 6662103921.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 1821144599965 + ... + 1821144600035.

It is an arithmetic number, because the mean of its divisors is an integer number (107761674240).

Almost surely, 2^{129301266600000} is an apocalyptic number.

129301266600000 is a gapful number since it is divisible by the number (10) 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 129301266600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289663380357120).

129301266600000 is an abundant number, since it is smaller than the sum of its proper divisors (450025494114240).

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

129301266600000 is a wasteful number, since it uses less digits than its factorization.

129301266600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 129301266600000 in words is "one hundred twenty-nine trillion, three hundred one billion, two hundred sixty-six million, six hundred thousand".