123201245416 has 16 divisors (see below), whose sum is σ = 231328160100. Its totient is φ = 61513736064.

The previous prime is 123201245407. The next prime is 123201245417. The reversal of 123201245416 is 614542102321.

123201245416 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 84537888516 + 38663356900 = 290754^2 + 196630^2 .

It is a super-2 number, since 2×123201245416² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123201245417) 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, 10854805 + ... + 10866148.

Almost surely, 2^123201245416 is an apocalyptic number.

It is an amenable number.

123201245416 is a deficient number, since it is larger than the sum of its proper divisors (108126914684).

123201245416 is a wasteful number, since it uses less digits than its factorization.

123201245416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21721668 (or 21721664 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 123201245416 its reverse (614542102321), we get a palindrome (737743347737).

The spelling of 123201245416 in words is "one hundred twenty-three billion, two hundred one million, two hundred forty-five thousand, four hundred sixteen".