12101252 has 12 divisors (see below), whose sum is σ = 22291920. Its totient is φ = 5732136.

The previous prime is 12101237. The next prime is 12101269. The reversal of 12101252 is 25210121.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79538 + ... + 79689.

It is an arithmetic number, because the mean of its divisors is an integer number (1857660).

Almost surely, 2^12101252 is an apocalyptic number.

It is an amenable number.

12101252 is a deficient number, since it is larger than the sum of its proper divisors (10190668).

12101252 is a wasteful number, since it uses less digits than its factorization.

12101252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159250 (or 159248 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12101252 is about 3478.6853838771. The cubic root of 12101252 is about 229.5849603879.

Adding to 12101252 its reverse (25210121), we get a palindrome (37311373).

The spelling of 12101252 in words is "twelve million, one hundred one thousand, two hundred fifty-two".