12230031121 has 8 divisors (see below), whose sum is σ = 15247831104. Its totient is φ = 9529894320.

The previous prime is 12230031113. The next prime is 12230031133. The reversal of 12230031121 is 12113003221.

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 12230031121 - 2³ = 12230031113 is a prime.

It is a super-2 number, since 2×12230031121² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12230031095 and 12230031104.

It is not an unprimeable number, because it can be changed into a prime (12230031161) 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, 79415710 + ... + 79415863.

It is an arithmetic number, because the mean of its divisors is an integer number (1905978888).

Almost surely, 2^12230031121 is an apocalyptic number.

12230031121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12230031121 is a deficient number, since it is larger than the sum of its proper divisors (3017799983).

12230031121 is a wasteful number, since it uses less digits than its factorization.

12230031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158831591.

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

Adding to 12230031121 its reverse (12113003221), we get a palindrome (24343034342).

The spelling of 12230031121 in words is "twelve billion, two hundred thirty million, thirty-one thousand, one hundred twenty-one".