121712252927 has 4 divisors (see below), whose sum is σ = 121744549680. Its totient is φ = 121679956176.

The previous prime is 121712252923. The next prime is 121712252929. The reversal of 121712252927 is 729252217121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729252217121 = 193 ⋅3778508897.

It is a cyclic number.

It is not a de Polignac number, because 121712252927 - 2² = 121712252923 is a prime.

It is a super-3 number, since 3×121712252927³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121712252923) 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, 16142723 + ... + 16150260.

It is an arithmetic number, because the mean of its divisors is an integer number (30436137420).

Almost surely, 2^121712252927 is an apocalyptic number.

121712252927 is a deficient number, since it is larger than the sum of its proper divisors (32296753).

121712252927 is an equidigital number, since it uses as much as digits as its factorization.

121712252927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32296752.

The product of its digits is 70560, while the sum is 41.

The spelling of 121712252927 in words is "one hundred twenty-one billion, seven hundred twelve million, two hundred fifty-two thousand, nine hundred twenty-seven".