12011021122010 has 16 divisors (see below), whose sum is σ = 21667146207336. Its totient is φ = 4793895518208.

The previous prime is 12011021121943. The next prime is 12011021122039. The reversal of 12011021122010 is 1022112011021.

It can be written as a sum of positive squares in 4 ways, for example, as 9035813557369 + 2975207564641 = 3005963^2 + 1724879^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314111527 + ... + 1314120666.

Almost surely, 2^{12011021122010} is an apocalyptic number.

12011021122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011021122010 is a deficient number, since it is larger than the sum of its proper divisors (9656125085326).

12011021122010 is a wasteful number, since it uses less digits than its factorization.

12011021122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628232657.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12011021122010 its reverse (1022112011021), we get a palindrome (13033133133031).

The spelling of 12011021122010 in words is "twelve trillion, eleven billion, twenty-one million, one hundred twenty-two thousand, ten".