126632520000 has 840 divisors, whose sum is σ = 535413012992. Its totient is φ = 27993600000.

The previous prime is 126632519983. The next prime is 126632520013. The reversal of 126632520000 is 25236621.

126632520000 is a `hidden beast` number, since 1 + 2 + 6 + 632 + 5 + 20 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (840).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 78119190 + ... + 78120810.

Almost surely, 2^126632520000 is an apocalyptic number.

126632520000 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 126632520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267706506496).

126632520000 is an abundant number, since it is smaller than the sum of its proper divisors (408780492992).

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

126632520000 is a wasteful number, since it uses less digits than its factorization.

126632520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 126632520000 its reverse (25236621), we get a palindrome (126657756621).

The spelling of 126632520000 in words is "one hundred twenty-six billion, six hundred thirty-two million, five hundred twenty thousand".