12122322010 has 32 divisors (see below), whose sum is σ = 21899451600. Its totient is φ = 4831346688.

The previous prime is 12122321999. The next prime is 12122322011. The reversal of 12122322010 is 1022322121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4726150009 + 7396172001 = 68747^2 + 86001^2 .

It is not an unprimeable number, because it can be changed into a prime (12122322011) 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, 4277554 + ... + 4280386.

Almost surely, 2^12122322010 is an apocalyptic number.

12122322010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122322010 is a deficient number, since it is larger than the sum of its proper divisors (9777129590).

12122322010 is a wasteful number, since it uses less digits than its factorization.

12122322010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12122322010 its reverse (1022322121), we get a palindrome (13144644131).

The spelling of 12122322010 in words is "twelve billion, one hundred twenty-two million, three hundred twenty-two thousand, ten".