12210101252 has 24 divisors (see below), whose sum is σ = 22512584640. Its totient is φ = 5778514080.

The previous prime is 12210101251. The next prime is 12210101279. The reversal of 12210101252 is 25210101221.

12210101252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12210101252.

It is not an unprimeable number, because it can be changed into a prime (12210101251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12977 + ... + 156807.

It is an arithmetic number, because the mean of its divisors is an integer number (938024360).

Almost surely, 2^12210101252 is an apocalyptic number.

It is an amenable number.

12210101252 is a deficient number, since it is larger than the sum of its proper divisors (10302483388).

12210101252 is a wasteful number, since it uses less digits than its factorization.

12210101252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144971 (or 144969 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12210101252 its reverse (25210101221), we get a palindrome (37420202473).

The spelling of 12210101252 in words is "twelve billion, two hundred ten million, one hundred one thousand, two hundred fifty-two".