121352314505123 has 8 divisors (see below), whose sum is σ = 131037475515408. Its totient is φ = 111717206007264.

The previous prime is 121352314505113. The next prime is 121352314505131. The reversal of 121352314505123 is 321505413253121.

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

It is not a de Polignac number, because 121352314505123 - 2¹⁴ = 121352314488739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121352314505113) 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, 12513123065 + ... + 12513132762.

It is an arithmetic number, because the mean of its divisors is an integer number (16379684439426).

Almost surely, 2^{121352314505123} is an apocalyptic number.

121352314505123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121352314505123 is a deficient number, since it is larger than the sum of its proper divisors (9685161010285).

121352314505123 is a wasteful number, since it uses less digits than its factorization.

121352314505123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25026256213.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 121352314505123 its reverse (321505413253121), we get a palindrome (442857727758244).

The spelling of 121352314505123 in words is "one hundred twenty-one trillion, three hundred fifty-two billion, three hundred fourteen million, five hundred five thousand, one hundred twenty-three".