12011220220010 has 24 divisors (see below), whose sum is σ = 23764348107108. Its totient is φ = 4367716443200.

The previous prime is 12011220220009. The next prime is 12011220220019. The reversal of 12011220220010 is 1002202211021.

It can be written as a sum of positive squares in 2 ways, for example, as 11725152488401 + 286067731609 = 3424201^2 + 534853^2 .

It is a super-2 number, since 2×12011220220010² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011220220019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4963312931 + ... + 4963315350.

Almost surely, 2^{12011220220010} is an apocalyptic number.

12011220220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011220220010 is a deficient number, since it is larger than the sum of its proper divisors (11753127887098).

12011220220010 is a wasteful number, since it uses less digits than its factorization.

12011220220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926628310 (or 9926628299 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12011220220010 its reverse (1002202211021), we get a palindrome (13013422431031).

The spelling of 12011220220010 in words is "twelve trillion, eleven billion, two hundred twenty million, two hundred twenty thousand, ten".