12023201131 has 8 divisors (see below), whose sum is σ = 12218909184. Its totient is φ = 11828225640.

The previous prime is 12023201129. The next prime is 12023201137. The reversal of 12023201131 is 13110232021.

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

It is a cyclic number.

It is not a de Polignac number, because 12023201131 - 2¹ = 12023201129 is a prime.

It is a super-2 number, since 2×12023201131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023201137) 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, 150001 + ... + 215746.

It is an arithmetic number, because the mean of its divisors is an integer number (1527363648).

Almost surely, 2^12023201131 is an apocalyptic number.

12023201131 is a deficient number, since it is larger than the sum of its proper divisors (195708053).

12023201131 is an equidigital number, since it uses as much as digits as its factorization.

12023201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366281.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12023201131 its reverse (13110232021), we get a palindrome (25133433152).

The spelling of 12023201131 in words is "twelve billion, twenty-three million, two hundred one thousand, one hundred thirty-one".