121220103001232 has 20 divisors (see below), whose sum is σ = 234864511539180. Its totient is φ = 60609906475008.

The previous prime is 121220103001201. The next prime is 121220103001267. The reversal of 121220103001232 is 232100301022121.

It can be written as a sum of positive squares in 2 ways, for example, as 4038958400656 + 117181144600576 = 2009716^2 + 10825024^2 .

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, 2001557 + ... + 15698612.

It is an arithmetic number, because the mean of its divisors is an integer number (11743225576959).

Almost surely, 2^{121220103001232} is an apocalyptic number.

It is an amenable number.

121220103001232 is a deficient number, since it is larger than the sum of its proper divisors (113644408537948).

121220103001232 is a wasteful number, since it uses less digits than its factorization.

121220103001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18128210 (or 18128204 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121220103001232 its reverse (232100301022121), we get a palindrome (353320404023353).

The spelling of 121220103001232 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred three million, one thousand, two hundred thirty-two".