41212444121 has 4 divisors (see below), whose sum is σ = 41213947044. Its totient is φ = 41210941200.

The previous prime is 41212444109. The next prime is 41212444153. The reversal of 41212444121 is 12144421214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12144421214 = 2 ⋅6072210607.

It can be written as a sum of positive squares in 2 ways, for example, as 27291040000 + 13921404121 = 165200^2 + 117989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41212444121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41212444921) 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, 709550 + ... + 765431.

It is an arithmetic number, because the mean of its divisors is an integer number (10303486761).

Almost surely, 2^41212444121 is an apocalyptic number.

It is an amenable number.

41212444121 is a deficient number, since it is larger than the sum of its proper divisors (1502923).

41212444121 is a wasteful number, since it uses less digits than its factorization.

41212444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502922.

The product of its digits is 2048, while the sum is 26.

Adding to 41212444121 its reverse (12144421214), we get a palindrome (53356865335).

The spelling of 41212444121 in words is "forty-one billion, two hundred twelve million, four hundred forty-four thousand, one hundred twenty-one".