121202002131343 has 4 divisors (see below), whose sum is σ = 138516573864400. Its totient is φ = 103887430398288.

The previous prime is 121202002131341. The next prime is 121202002131391. The reversal of 121202002131343 is 343131200202121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121202002131343 - 2¹ = 121202002131341 is a prime.

It is a super-2 number, since 2×121202002131343² (a number of 29 digits) contains 22 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 (121202002131341) 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, 8657285866518 + ... + 8657285866531.

It is an arithmetic number, because the mean of its divisors is an integer number (34629143466100).

Almost surely, 2^{121202002131343} is an apocalyptic number.

121202002131343 is a deficient number, since it is larger than the sum of its proper divisors (17314571733057).

121202002131343 is an equidigital number, since it uses as much as digits as its factorization.

121202002131343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17314571733056.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 121202002131343 its reverse (343131200202121), we get a palindrome (464333202333464).

The spelling of 121202002131343 in words is "one hundred twenty-one trillion, two hundred two billion, two million, one hundred thirty-one thousand, three hundred forty-three".