4112661213 has 12 divisors (see below), whose sum is σ = 5955330108. Its totient is φ = 2734934400.

The previous prime is 4112661173. The next prime is 4112661227. The reversal of 4112661213 is 3121662114.

It is a happy number.

4112661213 is a `hidden beast` number, since 4 + 11 + 26 + 612 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3113974809 + 998686404 = 55803^2 + 31602^2 .

It is not a de Polignac number, because 4112661213 - 2¹⁶ = 4112595677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4112661263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566170 + ... + 573387.

It is an arithmetic number, because the mean of its divisors is an integer number (496277509).

Almost surely, 2^4112661213 is an apocalyptic number.

It is an amenable number.

4112661213 is a deficient number, since it is larger than the sum of its proper divisors (1842668895).

4112661213 is a wasteful number, since it uses less digits than its factorization.

4112661213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139964 (or 1139961 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 4112661213 is about 64130.0336269988. The cubic root of 4112661213 is about 1602.1664938921.

Subtracting from 4112661213 its reverse (3121662114), we obtain a palindrome (990999099).

The spelling of 4112661213 in words is "four billion, one hundred twelve million, six hundred sixty-one thousand, two hundred thirteen".