12122112010 has 8 divisors (see below), whose sum is σ = 21819801636. Its totient is φ = 4848844800.

The previous prime is 12122111993. The next prime is 12122112031. The reversal of 12122112010 is 1021122121.

It can be written as a sum of positive squares in 2 ways, for example, as 12116065329 + 6046681 = 110073^2 + 2459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606105591 + ... + 606105610.

Almost surely, 2^12122112010 is an apocalyptic number.

12122112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122112010 is a deficient number, since it is larger than the sum of its proper divisors (9697689626).

12122112010 is a wasteful number, since it uses less digits than its factorization.

12122112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212211208.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12122112010 its reverse (1021122121), we get a palindrome (13143234131).

The spelling of 12122112010 in words is "twelve billion, one hundred twenty-two million, one hundred twelve thousand, ten".