2112415636 has 12 divisors (see below), whose sum is σ = 3697507828. Its totient is φ = 1055984832.

The previous prime is 2112415621. The next prime is 2112415637. The reversal of 2112415636 is 6365142112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 932080900 + 1180334736 = 30530^2 + 34356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2112415598 and 2112415607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112415637) 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 in 3 ways as a sum of consecutive naturals, for example, 33441 + ... + 73096.

Almost surely, 2^2112415636 is an apocalyptic number.

It is an amenable number.

2112415636 is a deficient number, since it is larger than the sum of its proper divisors (1585092192).

2112415636 is a wasteful number, since it uses less digits than its factorization.

2112415636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111498 (or 111496 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 2112415636 is about 45961.0230086320. The cubic root of 2112415636 is about 1283.0978910447.

Adding to 2112415636 its reverse (6365142112), we get a palindrome (8477557748).

The spelling of 2112415636 in words is "two billion, one hundred twelve million, four hundred fifteen thousand, six hundred thirty-six".