1240112401000 has 128 divisors (see below), whose sum is σ = 3166272270720. Its totient is φ = 450864000000.

The previous prime is 1240112400983. The next prime is 1240112401001. The reversal of 1240112401000 is 1042110421.

It is a happy number.

It is a super-2 number, since 2×1240112401000² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240112401001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99994800 + ... + 100007200.

It is an arithmetic number, because the mean of its divisors is an integer number (24736502115).

Almost surely, 2^{1240112401000} is an apocalyptic number.

1240112401000 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 1240112401000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583136135360).

1240112401000 is an abundant number, since it is smaller than the sum of its proper divisors (1926159869720).

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

1240112401000 is a wasteful number, since it uses less digits than its factorization.

1240112401000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21524 (or 21510 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1240112401000 its reverse (1042110421), we get a palindrome (1241154511421).

The spelling of 1240112401000 in words is "one trillion, two hundred forty billion, one hundred twelve million, four hundred one thousand".