12053540403211 has 4 divisors (see below), whose sum is σ = 12164123342800. Its totient is φ = 11942957463624.

The previous prime is 12053540403209. The next prime is 12053540403323. The reversal of 12053540403211 is 11230404535021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12053540403211 - 2¹ = 12053540403209 is a prime.

It is a super-2 number, since 2×12053540403211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12053540401211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55291469631 + ... + 55291469848.

It is an arithmetic number, because the mean of its divisors is an integer number (3041030835700).

Almost surely, 2^{12053540403211} is an apocalyptic number.

12053540403211 is a deficient number, since it is larger than the sum of its proper divisors (110582939589).

12053540403211 is a wasteful number, since it uses less digits than its factorization.

12053540403211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110582939588.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 12053540403211 its reverse (11230404535021), we get a palindrome (23283944938232).

The spelling of 12053540403211 in words is "twelve trillion, fifty-three billion, five hundred forty million, four hundred three thousand, two hundred eleven".