12001201011240 has 64 divisors (see below), whose sum is σ = 41146974898560. Its totient is φ = 2743131659520.

The previous prime is 12001201011223. The next prime is 12001201011257. The reversal of 12001201011240 is 4211010210021.

It is an interprime number because it is at equal distance from previous prime (12001201011223) and next prime (12001201011257).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7143571191 + ... + 7143572870.

It is an arithmetic number, because the mean of its divisors is an integer number (642921482790).

Almost surely, 2^{12001201011240} is an apocalyptic number.

12001201011240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001201011240 is an abundant number, since it is smaller than the sum of its proper divisors (29145773887320).

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

12001201011240 is a wasteful number, since it uses less digits than its factorization.

12001201011240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287144082 (or 14287144078 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12001201011240 its reverse (4211010210021), we get a palindrome (16212211221261).

The spelling of 12001201011240 in words is "twelve trillion, one billion, two hundred one million, eleven thousand, two hundred forty".