1133023212 has 18 divisors (see below), whose sum is σ = 2864030988. Its totient is φ = 377674392.

The previous prime is 1133023189. The next prime is 1133023223. The reversal of 1133023212 is 2123203311.

1133023212 is a `hidden beast` number, since 11 + 330 + 2 + 321 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15736398 + ... + 15736469.

Almost surely, 2^1133023212 is an apocalyptic number.

1133023212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1133023212 is an abundant number, since it is smaller than the sum of its proper divisors (1731007776).

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

1133023212 is a wasteful number, since it uses less digits than its factorization.

1133023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31472877 (or 31472872 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1133023212 is about 33660.4101579289. The cubic root of 1133023212 is about 1042.5084946602.

Adding to 1133023212 its reverse (2123203311), we get a palindrome (3256226523).

The spelling of 1133023212 in words is "one billion, one hundred thirty-three million, twenty-three thousand, two hundred twelve".