12005231453 has 32 divisors (see below), whose sum is σ = 13286471040. Its totient is φ = 10808328960.

The previous prime is 12005231401. The next prime is 12005231467. The reversal of 12005231453 is 35413250021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12005231453 - 2⁶ = 12005231389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005231153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4114151 + ... + 4117067.

It is an arithmetic number, because the mean of its divisors is an integer number (415202220).

Almost surely, 2^12005231453 is an apocalyptic number.

It is an amenable number.

12005231453 is a deficient number, since it is larger than the sum of its proper divisors (1281239587).

12005231453 is a wasteful number, since it uses less digits than its factorization.

12005231453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12005231453 its reverse (35413250021), we get a palindrome (47418481474).

The spelling of 12005231453 in words is "twelve billion, five million, two hundred thirty-one thousand, four hundred fifty-three".