1113236212 has 12 divisors (see below), whose sum is σ = 2125269216. Its totient is φ = 506016440.

The previous prime is 1113236207. The next prime is 1113236231. The reversal of 1113236212 is 2126323111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12650368 + ... + 12650455.

It is an arithmetic number, because the mean of its divisors is an integer number (177105768).

Almost surely, 2^1113236212 is an apocalyptic number.

It is an amenable number.

1113236212 is a deficient number, since it is larger than the sum of its proper divisors (1012033004).

1113236212 is a wasteful number, since it uses less digits than its factorization.

1113236212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25300838 (or 25300836 counting only the distinct ones).

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

The square root of 1113236212 is about 33365.1946195433. The cubic root of 1113236212 is about 1036.4040663812.

Adding to 1113236212 its reverse (2126323111), we get a palindrome (3239559323).

It can be divided in two parts, 111 and 3236212, that added together give a palindrome (3236323).

The spelling of 1113236212 in words is "one billion, one hundred thirteen million, two hundred thirty-six thousand, two hundred twelve".