1133203212 has 36 divisors (see below), whose sum is σ = 2871526840. Its totient is φ = 376805952.

The previous prime is 1133203193. The next prime is 1133203231. The reversal of 1133203212 is 2123023311.

1133203212 is a `hidden beast` number, since 11 + 332 + 0 + 321 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1133203193) and next prime (1133203231).

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 23758 + ... + 53205.

Almost surely, 2^1133203212 is an apocalyptic number.

1133203212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1133203212 is an abundant number, since it is smaller than the sum of its proper divisors (1738323628).

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

1133203212 is a wasteful number, since it uses less digits than its factorization.

1133203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77382 (or 77377 counting only the distinct ones).

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

The square root of 1133203212 is about 33663.0838159548. The cubic root of 1133203212 is about 1042.5636984697.

Adding to 1133203212 its reverse (2123023311), we get a palindrome (3256226523).

The spelling of 1133203212 in words is "one billion, one hundred thirty-three million, two hundred three thousand, two hundred twelve".