121727110612 has 6 divisors (see below), whose sum is σ = 213022443578. Its totient is φ = 60863555304.

The previous prime is 121727110553. The next prime is 121727110667. The reversal of 121727110612 is 216011727121.

121727110612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 120045618576 + 1681492036 = 346476^2 + 41006^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215888823 + ... + 15215888830.

Almost surely, 2^121727110612 is an apocalyptic number.

It is an amenable number.

121727110612 is a deficient number, since it is larger than the sum of its proper divisors (91295332966).

121727110612 is a wasteful number, since it uses less digits than its factorization.

121727110612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30431777657 (or 30431777655 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 31.

Adding to 121727110612 its reverse (216011727121), we get a palindrome (337738837733).

The spelling of 121727110612 in words is "one hundred twenty-one billion, seven hundred twenty-seven million, one hundred ten thousand, six hundred twelve".