1212454533 has 8 divisors (see below), whose sum is σ = 1672351200. Its totient is φ = 780430448.

The previous prime is 1212454513. The next prime is 1212454541. The reversal of 1212454533 is 3354542121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212454533 - 2¹⁰ = 1212453509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212454533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212454513) 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 7 ways as a sum of consecutive naturals, for example, 6968043 + ... + 6968216.

It is an arithmetic number, because the mean of its divisors is an integer number (209043900).

Almost surely, 2^1212454533 is an apocalyptic number.

It is an amenable number.

1212454533 is a deficient number, since it is larger than the sum of its proper divisors (459896667).

1212454533 is a wasteful number, since it uses less digits than its factorization.

1212454533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13936291.

The product of its digits is 14400, while the sum is 30.

The square root of 1212454533 is about 34820.3178187678. The cubic root of 1212454533 is about 1066.3222889041.

Adding to 1212454533 its reverse (3354542121), we get a palindrome (4566996654).

The spelling of 1212454533 in words is "one billion, two hundred twelve million, four hundred fifty-four thousand, five hundred thirty-three".