11312122036 has 24 divisors (see below), whose sum is σ = 21401317280. Its totient is φ = 5213551392.

The previous prime is 11312122033. The next prime is 11312122051. The reversal of 11312122036 is 63022121311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11312121998 and 11312122016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312122033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008590 + ... + 2014213.

Almost surely, 2^11312122036 is an apocalyptic number.

It is an amenable number.

11312122036 is a deficient number, since it is larger than the sum of its proper divisors (10089195244).

11312122036 is a wasteful number, since it uses less digits than its factorization.

11312122036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022863 (or 4022861 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11312122036 its reverse (63022121311), we get a palindrome (74334243347).

The spelling of 11312122036 in words is "eleven billion, three hundred twelve million, one hundred twenty-two thousand, thirty-six".