129726070200 has 144 divisors (see below), whose sum is σ = 437853858000. Its totient is φ = 34419686400.

The previous prime is 129726070163. The next prime is 129726070211. The reversal of 129726070200 is 2070627921.

129726070200 is a `hidden beast` number, since 1 + 29 + 7 + 2 + 607 + 0 + 20 + 0 = 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 35 ways as a sum of consecutive naturals, for example, 177120 + ... + 539280.

Almost surely, 2^129726070200 is an apocalyptic number.

129726070200 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 129726070200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218926929000).

129726070200 is an abundant number, since it is smaller than the sum of its proper divisors (308127787800).

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

129726070200 is a wasteful number, since it uses less digits than its factorization.

129726070200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362382 (or 362370 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 129726070200 in words is "one hundred twenty-nine billion, seven hundred twenty-six million, seventy thousand, two hundred".