1205213252 has 24 divisors (see below), whose sum is σ = 2138640000. Its totient is φ = 594228096.

The previous prime is 1205213227. The next prime is 1205213281. The reversal of 1205213252 is 2523125021.

It is a super-3 number, since 3×1205213252³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83249 + ... + 96647.

It is an arithmetic number, because the mean of its divisors is an integer number (89110000).

Almost surely, 2^1205213252 is an apocalyptic number.

It is an amenable number.

1205213252 is a deficient number, since it is larger than the sum of its proper divisors (933426748).

1205213252 is a wasteful number, since it uses less digits than its factorization.

1205213252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715 (or 13713 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1205213252 is about 34716.1814144355. The cubic root of 1205213252 is about 1064.1952091096.

Adding to 1205213252 its reverse (2523125021), we get a palindrome (3728338273).

The spelling of 1205213252 in words is "one billion, two hundred five million, two hundred thirteen thousand, two hundred fifty-two".