12120222021010 has 32 divisors (see below), whose sum is σ = 23100218755632. Its totient is φ = 4562808053760.

The previous prime is 12120222020953. The next prime is 12120222021013. The reversal of 12120222021010 is 1012022202121.

It is a happy number.

12120222021010 is digitally balanced in base 2, 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 8 ways, for example, as 5435840957121 + 6684381063889 = 2331489^2 + 2585417^2 .

It is not an unprimeable number, because it can be changed into a prime (12120222021013) 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, 7328424 + ... + 8828716.

Almost surely, 2^{12120222021010} is an apocalyptic number.

12120222021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120222021010 is a deficient number, since it is larger than the sum of its proper divisors (10979996734622).

12120222021010 is a wasteful number, since it uses less digits than its factorization.

12120222021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547838.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12120222021010 its reverse (1012022202121), we get a palindrome (13132244223131).

The spelling of 12120222021010 in words is "twelve trillion, one hundred twenty billion, two hundred twenty-two million, twenty-one thousand, ten".