11312122313012 has 6 divisors (see below), whose sum is σ = 19796214047778. Its totient is φ = 5656061156504.

The previous prime is 11312122312993. The next prime is 11312122313053. The reversal of 11312122313012 is 21031322121311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9696971088016 + 1615151224996 = 3113996^2 + 1270886^2 .

It is a super-2 number, since 2×11312122313012² (a number of 27 digits) contains 22 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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414015289123 + ... + 1414015289130.

It is an arithmetic number, because the mean of its divisors is an integer number (3299369007963).

Almost surely, 2^{11312122313012} is an apocalyptic number.

It is an amenable number.

11312122313012 is a deficient number, since it is larger than the sum of its proper divisors (8484091734766).

11312122313012 is a wasteful number, since it uses less digits than its factorization.

11312122313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828030578257 (or 2828030578255 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11312122313012 its reverse (21031322121311), we get a palindrome (32343444434323).

The spelling of 11312122313012 in words is "eleven trillion, three hundred twelve billion, one hundred twenty-two million, three hundred thirteen thousand, twelve".