10001120120000 has 70 divisors (see below), whose sum is σ = 24799527632748. Its totient is φ = 4000448032000.

The previous prime is 10001120119937. The next prime is 10001120120023. The reversal of 10001120120000 is 2102110001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 10001120120000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 124974002 + ... + 125054001.

Almost surely, 2^{10001120120000} is an apocalyptic number.

10001120120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001120120000 is an abundant number, since it is smaller than the sum of its proper divisors (14798407512748).

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

10001120120000 is an frugal number, since it uses more digits than its factorization.

10001120120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250028035 (or 250028010 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10001120120000 its reverse (2102110001), we get a palindrome (10003222230001).

The spelling of 10001120120000 in words is "ten trillion, one billion, one hundred twenty million, one hundred twenty thousand".