12120226016 has 12 divisors (see below), whose sum is σ = 23861695032. Its totient is φ = 6060112992.

The previous prime is 12120226009. The next prime is 12120226043. The reversal of 12120226016 is 61062202121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12120225982 and 12120226000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189378500 + ... + 189378563.

It is an arithmetic number, because the mean of its divisors is an integer number (1988474586).

Almost surely, 2^12120226016 is an apocalyptic number.

12120226016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12120226016 is a deficient number, since it is larger than the sum of its proper divisors (11741469016).

12120226016 is an equidigital number, since it uses as much as digits as its factorization.

12120226016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378757073 (or 378757065 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12120226016 its reverse (61062202121), we get a palindrome (73182428137).

The spelling of 12120226016 in words is "twelve billion, one hundred twenty million, two hundred twenty-six thousand, sixteen".