121412123 has 8 divisors (see below), whose sum is σ = 138855648. Its totient is φ = 103993344.

The previous prime is 121412119. The next prime is 121412141. The reversal of 121412123 is 321214121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121412123 - 2² = 121412119 is a prime.

It is a super-2 number, since 2×121412123² = 29481807222734258, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121412153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5915 + ... + 16667.

It is an arithmetic number, because the mean of its divisors is an integer number (17356956).

Almost surely, 2^121412123 is an apocalyptic number.

121412123 is a deficient number, since it is larger than the sum of its proper divisors (17443525).

121412123 is a wasteful number, since it uses less digits than its factorization.

121412123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12373.

The product of its digits is 96, while the sum is 17.

The square root of 121412123 is about 11018.7169398256. The cubic root of 121412123 is about 495.1696497028.

Adding to 121412123 its reverse (321214121), we get a palindrome (442626244).

The spelling of 121412123 in words is "one hundred twenty-one million, four hundred twelve thousand, one hundred twenty-three".