121252112 has 10 divisors (see below), whose sum is σ = 234925998. Its totient is φ = 60626048.

The previous prime is 121252099. The next prime is 121252147. The reversal of 121252112 is 211252121.

It can be written as a sum of positive squares in only one way, i.e., 118026496 + 3225616 = 10864^2 + 1796^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3789113 + ... + 3789144.

Almost surely, 2^121252112 is an apocalyptic number.

It is an amenable number.

121252112 is a deficient number, since it is larger than the sum of its proper divisors (113673886).

121252112 is an equidigital number, since it uses as much as digits as its factorization.

121252112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578265 (or 7578259 counting only the distinct ones).

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

The square root of 121252112 is about 11011.4536733349. The cubic root of 121252112 is about 494.9520233745.

Subtracting 121252112 from its reverse (211252121), we obtain a palindrome (90000009).

The spelling of 121252112 in words is "one hundred twenty-one million, two hundred fifty-two thousand, one hundred twelve".