1122253212 has 12 divisors (see below), whose sum is σ = 2618590856. Its totient is φ = 374084400.

The previous prime is 1122253211. The next prime is 1122253247. The reversal of 1122253212 is 2123522211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122253211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46760539 + ... + 46760562.

Almost surely, 2^1122253212 is an apocalyptic number.

1122253212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122253212 is an abundant number, since it is smaller than the sum of its proper divisors (1496337644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122253212 is a wasteful number, since it uses less digits than its factorization.

1122253212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93521108 (or 93521106 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 1122253212 is about 33500.0479402642. The cubic root of 1122253212 is about 1039.1947699483.

Adding to 1122253212 its reverse (2123522211), we get a palindrome (3245775423).

The spelling of 1122253212 in words is "one billion, one hundred twenty-two million, two hundred fifty-three thousand, two hundred twelve".