15120122205044 has 12 divisors (see below), whose sum is σ = 26460302791104. Its totient is φ = 7560035693304.

The previous prime is 15120122205037. The next prime is 15120122205047. The reversal of 15120122205044 is 44050222102151.

It is a junction number, because it is equal to n+sod(n) for n = 15120122204998 and 15120122205016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15120122205047) 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, 4980494 + ... + 7419269.

It is an arithmetic number, because the mean of its divisors is an integer number (2205025232592).

Almost surely, 2^{15120122205044} is an apocalyptic number.

It is an amenable number.

15120122205044 is a deficient number, since it is larger than the sum of its proper divisors (11340180586060).

15120122205044 is a wasteful number, since it uses less digits than its factorization.

15120122205044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704614 (or 12704612 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 15120122205044 its reverse (44050222102151), we get a palindrome (59170344307195).

The spelling of 15120122205044 in words is "fifteen trillion, one hundred twenty billion, one hundred twenty-two million, two hundred five thousand, forty-four".