11313012212 has 6 divisors (see below), whose sum is σ = 19797771378. Its totient is φ = 5656506104.

The previous prime is 11313012211. The next prime is 11313012241. The reversal of 11313012212 is 21221031311.

It can be written as a sum of positive squares in only one way, i.e., 6139662736 + 5173349476 = 78356^2 + 71926^2 .

It is a super-2 number, since 2×11313012212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313012211) by changing a digit.

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 as a sum of consecutive naturals, namely, 1414126523 + ... + 1414126530.

It is an arithmetic number, because the mean of its divisors is an integer number (3299628563).

Almost surely, 2^11313012212 is an apocalyptic number.

It is an amenable number.

11313012212 is a deficient number, since it is larger than the sum of its proper divisors (8484759166).

11313012212 is a wasteful number, since it uses less digits than its factorization.

11313012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828253057 (or 2828253055 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11313012212 its reverse (21221031311), we get a palindrome (32534043523).

The spelling of 11313012212 in words is "eleven billion, three hundred thirteen million, twelve thousand, two hundred twelve".