121303132112 has 20 divisors (see below), whose sum is σ = 235121176356. Its totient is φ = 60626699520.

The previous prime is 121303132021. The next prime is 121303132117. The reversal of 121303132112 is 211231303121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41584997776 + 79718134336 = 203924^2 + 282344^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121303132117) 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, 1513883 + ... + 1591994.

Almost surely, 2^121303132112 is an apocalyptic number.

It is an amenable number.

121303132112 is a deficient number, since it is larger than the sum of its proper divisors (113818044244).

121303132112 is a wasteful number, since it uses less digits than its factorization.

121303132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108326 (or 3108320 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121303132112 its reverse (211231303121), we get a palindrome (332534435233).

The spelling of 121303132112 in words is "one hundred twenty-one billion, three hundred three million, one hundred thirty-two thousand, one hundred twelve".