1252203112 has 32 divisors (see below), whose sum is σ = 2367573120. Its totient is φ = 620867520.

The previous prime is 1252203103. The next prime is 1252203143. The reversal of 1252203112 is 2113022521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252203112.

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, 1214037 + ... + 1215067.

It is an arithmetic number, because the mean of its divisors is an integer number (73986660).

Almost surely, 2^1252203112 is an apocalyptic number.

It is an amenable number.

1252203112 is a deficient number, since it is larger than the sum of its proper divisors (1115370008).

1252203112 is a wasteful number, since it uses less digits than its factorization.

1252203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1252203112 is about 35386.4820517666. The cubic root of 1252203112 is about 1077.8498350315.

Adding to 1252203112 its reverse (2113022521), we get a palindrome (3365225633).

The spelling of 1252203112 in words is "one billion, two hundred fifty-two million, two hundred three thousand, one hundred twelve".