11220310452212 has 12 divisors (see below), whose sum is σ = 19643069389860. Its totient is φ = 5608004912256.

The previous prime is 11220310452121. The next prime is 11220310452227. The reversal of 11220310452212 is 21225401302211.

It can be written as a sum of positive squares in 2 ways, for example, as 2773870264036 + 8446440188176 = 1665494^2 + 2906276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537566723 + ... + 537587594.

It is an arithmetic number, because the mean of its divisors is an integer number (1636922449155).

Almost surely, 2^{11220310452212} is an apocalyptic number.

It is an amenable number.

11220310452212 is a deficient number, since it is larger than the sum of its proper divisors (8422758937648).

11220310452212 is a wasteful number, since it uses less digits than its factorization.

11220310452212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075156930 (or 1075156928 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11220310452212 its reverse (21225401302211), we get a palindrome (32445711754423).

The spelling of 11220310452212 in words is "eleven trillion, two hundred twenty billion, three hundred ten million, four hundred fifty-two thousand, two hundred twelve".