12231001145 has 8 divisors (see below), whose sum is σ = 16011492480. Its totient is φ = 8895273520.

The previous prime is 12231001127. The next prime is 12231001147. The reversal of 12231001145 is 54110013221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12231001145 - 2²⁶ = 12163892281 is a prime.

It is a super-2 number, since 2×12231001145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12231001147) 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, 111190865 + ... + 111190974.

It is an arithmetic number, because the mean of its divisors is an integer number (2001436560).

Almost surely, 2^12231001145 is an apocalyptic number.

It is an amenable number.

12231001145 is a deficient number, since it is larger than the sum of its proper divisors (3780491335).

12231001145 is a wasteful number, since it uses less digits than its factorization.

12231001145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222381855.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12231001145 its reverse (54110013221), we get a palindrome (66341014366).

The spelling of 12231001145 in words is "twelve billion, two hundred thirty-one million, one thousand, one hundred forty-five".