12053201540 has 24 divisors (see below), whose sum is σ = 25364586240. Its totient is φ = 4811211488.

The previous prime is 12053201521. The next prime is 12053201549. The reversal of 12053201540 is 4510235021.

It is not an unprimeable number, because it can be changed into a prime (12053201549) 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, 619502 + ... + 638661.

It is an arithmetic number, because the mean of its divisors is an integer number (1056857760).

Almost surely, 2^12053201540 is an apocalyptic number.

12053201540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12053201540 is an abundant number, since it is smaller than the sum of its proper divisors (13311384700).

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

12053201540 is a wasteful number, since it uses less digits than its factorization.

12053201540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258651 (or 1258649 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 12053201540 its reverse (4510235021), we get a palindrome (16563436561).

The spelling of 12053201540 in words is "twelve billion, fifty-three million, two hundred one thousand, five hundred forty".