201212251250 has 40 divisors (see below), whose sum is σ = 393550223616. Its totient is φ = 76985546000.

The previous prime is 201212251249. The next prime is 201212251307. The reversal of 201212251250 is 52152212102.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3470594 + ... + 3528093.

Almost surely, 2^201212251250 is an apocalyptic number.

201212251250 is a deficient number, since it is larger than the sum of its proper divisors (192337972366).

201212251250 is an equidigital number, since it uses as much as digits as its factorization.

201212251250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6998732 (or 6998717 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 201212251250 its reverse (52152212102), we get a palindrome (253364463352).

The spelling of 201212251250 in words is "two hundred one billion, two hundred twelve million, two hundred fifty-one thousand, two hundred fifty".