126005010000 has 100 divisors (see below), whose sum is σ = 406761069792. Its totient is φ = 33601328000.

The previous prime is 126005009969. The next prime is 126005010011. The reversal of 126005010000 is 10500621.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2070084 + ... + 2130083.

Almost surely, 2^126005010000 is an apocalyptic number.

126005010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126005010000 is an abundant number, since it is smaller than the sum of its proper divisors (280756059792).

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

126005010000 is an equidigital number, since it uses as much as digits as its factorization.

126005010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200198 (or 4200177 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 126005010000 its reverse (10500621), we get a palindrome (126015510621).

The spelling of 126005010000 in words is "one hundred twenty-six billion, five million, ten thousand".