4001120203120 has 40 divisors (see below), whose sum is σ = 9313384012416. Its totient is φ = 1598593536768.

The previous prime is 4001120203063. The next prime is 4001120203127. The reversal of 4001120203120 is 213020211004.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 4001120203094 and 4001120203103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001120203127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28907787 + ... + 29045866.

Almost surely, 2^{4001120203120} is an apocalyptic number.

4001120203120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4001120203120 is an abundant number, since it is smaller than the sum of its proper divisors (5312263809296).

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

4001120203120 is a wasteful number, since it uses less digits than its factorization.

4001120203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57954529 (or 57954523 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 4001120203120 its reverse (213020211004), we get a palindrome (4214140414124).

The spelling of 4001120203120 in words is "four trillion, one billion, one hundred twenty million, two hundred three thousand, one hundred twenty".