120201512043540 has 24 divisors (see below), whose sum is σ = 336564233722080. Its totient is φ = 32053736544928.

The previous prime is 120201512043523. The next prime is 120201512043541. The reversal of 120201512043540 is 45340215102021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 120201512043498 and 120201512043507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201512043541) 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, 1001679266970 + ... + 1001679267089.

It is an arithmetic number, because the mean of its divisors is an integer number (14023509738420).

Almost surely, 2^{120201512043540} is an apocalyptic number.

120201512043540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201512043540 is an abundant number, since it is smaller than the sum of its proper divisors (216362721678540).

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

120201512043540 is a wasteful number, since it uses less digits than its factorization.

120201512043540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003358534071 (or 2003358534069 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 120201512043540 its reverse (45340215102021), we get a palindrome (165541727145561).

The spelling of 120201512043540 in words is "one hundred twenty trillion, two hundred one billion, five hundred twelve million, forty-three thousand, five hundred forty".