1132421212 has 24 divisors (see below), whose sum is σ = 2135681856. Its totient is φ = 522287808.

The previous prime is 1132421201. The next prime is 1132421219. The reversal of 1132421212 is 2121242311.

It is a self number, because there is not a number n which added to its sum of digits gives 1132421212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132421219) 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, 75438 + ... + 89194.

It is an arithmetic number, because the mean of its divisors is an integer number (88986744).

Almost surely, 2^1132421212 is an apocalyptic number.

It is an amenable number.

1132421212 is a deficient number, since it is larger than the sum of its proper divisors (1003260644).

1132421212 is a wasteful number, since it uses less digits than its factorization.

1132421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15357 (or 15355 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 1132421212 is about 33651.4667139487. The cubic root of 1132421212 is about 1042.3238260995.

Adding to 1132421212 its reverse (2121242311), we get a palindrome (3253663523).

The spelling of 1132421212 in words is "one billion, one hundred thirty-two million, four hundred twenty-one thousand, two hundred twelve".