11310012212 has 24 divisors (see below), whose sum is σ = 20975108616. Its totient is φ = 5317705728.

The previous prime is 11310012199. The next prime is 11310012227. The reversal of 11310012212 is 21221001311.

It can be written as a sum of positive squares in 4 ways, for example, as 7909256356 + 3400755856 = 88934^2 + 58316^2 .

It is a super-3 number, since 3×11310012212³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6278 + ... + 150530.

It is an arithmetic number, because the mean of its divisors is an integer number (873962859).

Almost surely, 2^11310012212 is an apocalyptic number.

It is an amenable number.

11310012212 is a deficient number, since it is larger than the sum of its proper divisors (9665096404).

11310012212 is a wasteful number, since it uses less digits than its factorization.

11310012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145427 (or 145425 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11310012212 its reverse (21221001311), we get a palindrome (32531013523).

The spelling of 11310012212 in words is "eleven billion, three hundred ten million, twelve thousand, two hundred twelve".