121230201203121 has 8 divisors (see below), whose sum is σ = 161843079150144. Its totient is φ = 80718728695760.

The previous prime is 121230201203119. The next prime is 121230201203123. The reversal of 121230201203121 is 121302102032121.

It is an interprime number because it is at equal distance from previous prime (121230201203119) and next prime (121230201203123).

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

It is a cyclic number.

It is not a de Polignac number, because 121230201203121 - 2¹ = 121230201203119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121230201203123) 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, 25351357125 + ... + 25351361906.

It is an arithmetic number, because the mean of its divisors is an integer number (20230384893768).

Almost surely, 2^{121230201203121} is an apocalyptic number.

It is an amenable number.

121230201203121 is a deficient number, since it is larger than the sum of its proper divisors (40612877947023).

121230201203121 is an equidigital number, since it uses as much as digits as its factorization.

121230201203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50702719831.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121230201203121 its reverse (121302102032121), we get a palindrome (242532303235242).

The spelling of 121230201203121 in words is "one hundred twenty-one trillion, two hundred thirty billion, two hundred one million, two hundred three thousand, one hundred twenty-one".