121201303312131 has 8 divisors (see below), whose sum is σ = 184687700285184. Its totient is φ = 69257887606920.

The previous prime is 121201303312129. The next prime is 121201303312139. The reversal of 121201303312131 is 131213303102121.

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

It is not a de Polignac number, because 121201303312131 - 2¹ = 121201303312129 is a prime.

It is a super-2 number, since 2×121201303312131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121201303312139) 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, 2885745316935 + ... + 2885745316976.

It is an arithmetic number, because the mean of its divisors is an integer number (23085962535648).

Almost surely, 2^{121201303312131} is an apocalyptic number.

121201303312131 is a deficient number, since it is larger than the sum of its proper divisors (63486396973053).

121201303312131 is an equidigital number, since it uses as much as digits as its factorization.

121201303312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771490633921.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 121201303312131 its reverse (131213303102121), we get a palindrome (252414606414252).

The spelling of 121201303312131 in words is "one hundred twenty-one trillion, two hundred one billion, three hundred three million, three hundred twelve thousand, one hundred thirty-one".