41512123121 has 4 divisors (see below), whose sum is σ = 47442426432. Its totient is φ = 35581819812.

The previous prime is 41512123117. The next prime is 41512123123. The reversal of 41512123121 is 12132121514.

41512123121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 41512123121 - 2² = 41512123117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41512123123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2965151645 + ... + 2965151658.

It is an arithmetic number, because the mean of its divisors is an integer number (11860606608).

Almost surely, 2^41512123121 is an apocalyptic number.

It is an amenable number.

41512123121 is a deficient number, since it is larger than the sum of its proper divisors (5930303311).

41512123121 is an equidigital number, since it uses as much as digits as its factorization.

41512123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930303310.

The product of its digits is 480, while the sum is 23.

Adding to 41512123121 its reverse (12132121514), we get a palindrome (53644244635).

The spelling of 41512123121 in words is "forty-one billion, five hundred twelve million, one hundred twenty-three thousand, one hundred twenty-one".