4123121244044 has 48 divisors (see below), whose sum is σ = 8046303834240. Its totient is φ = 1832834595840.

The previous prime is 4123121244043. The next prime is 4123121244049. The reversal of 4123121244044 is 4404421213214.

It is a self number, because there is not a number n which added to its sum of digits gives 4123121244044.

It is not an unprimeable number, because it can be changed into a prime (4123121244041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3613634 + ... + 4615689.

It is an arithmetic number, because the mean of its divisors is an integer number (167631329880).

Almost surely, 2^{4123121244044} is an apocalyptic number.

4123121244044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4123121244044 is a deficient number, since it is larger than the sum of its proper divisors (3923182590196).

4123121244044 is a wasteful number, since it uses less digits than its factorization.

4123121244044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229590 (or 8229588 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 4123121244044 its reverse (4404421213214), we get a palindrome (8527542457258).

The spelling of 4123121244044 in words is "four trillion, one hundred twenty-three billion, one hundred twenty-one million, two hundred forty-four thousand, forty-four".