121122530252 has 6 divisors (see below), whose sum is σ = 211964427948. Its totient is φ = 60561265124.

The previous prime is 121122530213. The next prime is 121122530267. The reversal of 121122530252 is 252035221121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15140316278 + ... + 15140316285.

It is an arithmetic number, because the mean of its divisors is an integer number (35327404658).

Almost surely, 2^121122530252 is an apocalyptic number.

It is an amenable number.

121122530252 is a deficient number, since it is larger than the sum of its proper divisors (90841897696).

121122530252 is a wasteful number, since it uses less digits than its factorization.

121122530252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30280632567 (or 30280632565 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 121122530252 its reverse (252035221121), we get a palindrome (373157751373).

The spelling of 121122530252 in words is "one hundred twenty-one billion, one hundred twenty-two million, five hundred thirty thousand, two hundred fifty-two".