121201303312132 has 12 divisors (see below), whose sum is σ = 213201256345756. Its totient is φ = 60286658641920.

The previous prime is 121201303312129. The next prime is 121201303312139. The reversal of 121201303312132 is 231213303102121.

It can be written as a sum of positive squares in 2 ways, for example, as 49850575524036 + 71350727788096 = 7060494^2 + 8446936^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121201303312097 and 121201303312106.

It is not an unprimeable number, because it can be changed into a prime (121201303312139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78498252669 + ... + 78498254212.

Almost surely, 2^{121201303312132} is an apocalyptic number.

It is an amenable number.

121201303312132 is a deficient number, since it is larger than the sum of its proper divisors (91999953033624).

121201303312132 is a wasteful number, since it uses less digits than its factorization.

121201303312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156996507078 (or 156996507076 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121201303312132 its reverse (231213303102121), we get a palindrome (352414606414253).

The spelling of 121201303312132 in words is "one hundred twenty-one trillion, two hundred one billion, three hundred three million, three hundred twelve thousand, one hundred thirty-two".