121500452122 has 16 divisors (see below), whose sum is σ = 219248936640. Its totient is φ = 49331010528.

The previous prime is 121500452081. The next prime is 121500452131. The reversal of 121500452122 is 221254005121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228384043 + ... + 228384574.

It is an arithmetic number, because the mean of its divisors is an integer number (13703058540).

Almost surely, 2^121500452122 is an apocalyptic number.

121500452122 is a deficient number, since it is larger than the sum of its proper divisors (97748484518).

121500452122 is a wasteful number, since it uses less digits than its factorization.

121500452122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456768645.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 121500452122 its reverse (221254005121), we get a palindrome (342754457243).

The spelling of 121500452122 in words is "one hundred twenty-one billion, five hundred million, four hundred fifty-two thousand, one hundred twenty-two".