121231225041 has 8 divisors (see below), whose sum is σ = 161675876640. Its totient is φ = 80803695072.

The previous prime is 121231225039. The next prime is 121231225079. The reversal of 121231225041 is 140522132121.

It is a happy number.

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

It is not a de Polignac number, because 121231225041 - 2¹ = 121231225039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121231225081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4263876 + ... + 4292213.

It is an arithmetic number, because the mean of its divisors is an integer number (20209484580).

Almost surely, 2^121231225041 is an apocalyptic number.

It is an amenable number.

121231225041 is a deficient number, since it is larger than the sum of its proper divisors (40444651599).

121231225041 is an equidigital number, since it uses as much as digits as its factorization.

121231225041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8560815.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 121231225041 its reverse (140522132121), we get a palindrome (261753357162).

The spelling of 121231225041 in words is "one hundred twenty-one billion, two hundred thirty-one million, two hundred twenty-five thousand, forty-one".