1152454212 has 288 divisors, whose sum is σ = 3740871680. Its totient is φ = 291133440.

The previous prime is 1152454211. The next prime is 1152454231. The reversal of 1152454212 is 2124542511.

It is a happy number.

1152454212 is a `hidden beast` number, since 115 + 2 + 4 + 542 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1152454211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14587989 + ... + 14588067.

Almost surely, 2^1152454212 is an apocalyptic number.

1152454212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152454212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870435840).

1152454212 is an abundant number, since it is smaller than the sum of its proper divisors (2588417468).

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

1152454212 is a wasteful number, since it uses less digits than its factorization.

1152454212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 238 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1152454212 is about 33947.8160122268. The cubic root of 1152454212 is about 1048.4343141393.

Adding to 1152454212 its reverse (2124542511), we get a palindrome (3276996723).

The spelling of 1152454212 in words is "one billion, one hundred fifty-two million, four hundred fifty-four thousand, two hundred twelve".