121320310131112 has 16 divisors (see below), whose sum is σ = 231767573600340. Its totient is φ = 59515623837696.

The previous prime is 121320310131109. The next prime is 121320310131121. The reversal of 121320310131112 is 211131013023121.

It can be written as a sum of positive squares in 2 ways, for example, as 98882221154116 + 22438088976996 = 9943954^2 + 4736886^2 .

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, 143066403033 + ... + 143066403880.

Almost surely, 2^{121320310131112} is an apocalyptic number.

It is an amenable number.

121320310131112 is a deficient number, since it is larger than the sum of its proper divisors (110447263469228).

121320310131112 is a wasteful number, since it uses less digits than its factorization.

121320310131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286132806972 (or 286132806968 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121320310131112 its reverse (211131013023121), we get a palindrome (332451323154233).

The spelling of 121320310131112 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred ten million, one hundred thirty-one thousand, one hundred twelve".