12011210001122 has 4 divisors (see below), whose sum is σ = 18016815001686. Its totient is φ = 6005605000560.

The previous prime is 12011210001083. The next prime is 12011210001139. The reversal of 12011210001122 is 22110001211021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9352519959721 + 2658690041401 = 3058189^2 + 1630549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12011210001097 and 12011210001106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002802500279 + ... + 3002802500282.

Almost surely, 2^{12011210001122} is an apocalyptic number.

12011210001122 is a deficient number, since it is larger than the sum of its proper divisors (6005605000564).

12011210001122 is an equidigital number, since it uses as much as digits as its factorization.

12011210001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005605000563.

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

Adding to 12011210001122 its reverse (22110001211021), we get a palindrome (34121211212143).

The spelling of 12011210001122 in words is "twelve trillion, eleven billion, two hundred ten million, one thousand, one hundred twenty-two".