20120120001224 has 16 divisors (see below), whose sum is σ = 37725536148720. Its totient is φ = 10059977028240.

The previous prime is 20120120001161. The next prime is 20120120001229. The reversal of 20120120001224 is 42210002102102.

It is a super-2 number, since 2×20120120001224² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20120120001229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9334862 + ... + 11286269.

It is an arithmetic number, because the mean of its divisors is an integer number (2357846009295).

Almost surely, 2^{20120120001224} is an apocalyptic number.

It is an amenable number.

20120120001224 is a deficient number, since it is larger than the sum of its proper divisors (17605416147496).

20120120001224 is a wasteful number, since it uses less digits than its factorization.

20120120001224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20743100 (or 20743096 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20120120001224 its reverse (42210002102102), we get a palindrome (62330122103326).

The spelling of 20120120001224 in words is "twenty trillion, one hundred twenty billion, one hundred twenty million, one thousand, two hundred twenty-four".