12000401033440 has 96 divisors (see below), whose sum is σ = 28576818192384. Its totient is φ = 4761924733440.

The previous prime is 12000401033437. The next prime is 12000401033471. The reversal of 12000401033440 is 4433010400021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303703285 + ... + 303742795.

It is an arithmetic number, because the mean of its divisors is an integer number (297675189504).

Almost surely, 2^{12000401033440} is an apocalyptic number.

12000401033440 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 12000401033440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14288409096192).

12000401033440 is an abundant number, since it is smaller than the sum of its proper divisors (16576417158944).

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

12000401033440 is a wasteful number, since it uses less digits than its factorization.

12000401033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54600 (or 54592 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12000401033440 its reverse (4433010400021), we get a palindrome (16433411433461).

The spelling of 12000401033440 in words is "twelve trillion, four hundred one million, thirty-three thousand, four hundred forty".