12011220222010 has 32 divisors (see below), whose sum is σ = 21725317236240. Its totient is φ = 4781168643072.

The previous prime is 12011220222007. The next prime is 12011220222031. The reversal of 12011220222010 is 1022202211021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2694361385401 + 9316858836609 = 1641451^2 + 3052353^2 .

It is a super-2 number, since 2×12011220222010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186559 + ... + 4904818.

Almost surely, 2^{12011220222010} is an apocalyptic number.

12011220222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011220222010 is a deficient number, since it is larger than the sum of its proper divisors (9714097014230).

12011220222010 is a wasteful number, since it uses less digits than its factorization.

12011220222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092530.

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

Adding to 12011220222010 its reverse (1022202211021), we get a palindrome (13033422433031).

The spelling of 12011220222010 in words is "twelve trillion, eleven billion, two hundred twenty million, two hundred twenty-two thousand, ten".