126899147232000 has 5184 divisors, whose sum is σ = 579114368501760. Its totient is φ = 27114946560000.

The previous prime is 126899147231999. The next prime is 126899147232029. The reversal of 126899147232000 is 232741998621.

126899147232000 is a `hidden beast` number, since 1 + 2 + 6 + 89 + 91 + 472 + 3 + 2 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×126899147232000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 2699981855977 + ... + 2699981856023.

It is an arithmetic number, because the mean of its divisors is an integer number (111711876640).

Almost surely, 2^{126899147232000} is an apocalyptic number.

126899147232000 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 126899147232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289557184250880).

126899147232000 is an abundant number, since it is smaller than the sum of its proper divisors (452215221269760).

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

126899147232000 is a wasteful number, since it uses less digits than its factorization.

126899147232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 126899147232000 in words is "one hundred twenty-six trillion, eight hundred ninety-nine billion, one hundred forty-seven million, two hundred thirty-two thousand".