121312001203323 has 32 divisors (see below), whose sum is σ = 191233415462400. Its totient is φ = 66929823158016.

The previous prime is 121312001203313. The next prime is 121312001203333. The reversal of 121312001203323 is 323302100213121.

It is an interprime number because it is at equal distance from previous prime (121312001203313) and next prime (121312001203333).

It is not a de Polignac number, because 121312001203323 - 2⁵ = 121312001203291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121312001203293 and 121312001203302.

It is not an unprimeable number, because it can be changed into a prime (121312001203313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43364368 + ... + 46077026.

It is an arithmetic number, because the mean of its divisors is an integer number (5976044233200).

Almost surely, 2^{121312001203323} is an apocalyptic number.

121312001203323 is a deficient number, since it is larger than the sum of its proper divisors (69921414259077).

121312001203323 is a wasteful number, since it uses less digits than its factorization.

121312001203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786131.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121312001203323 its reverse (323302100213121), we get a palindrome (444614101416444).

The spelling of 121312001203323 in words is "one hundred twenty-one trillion, three hundred twelve billion, one million, two hundred three thousand, three hundred twenty-three".