121200012122201 has 8 divisors (see below), whose sum is σ = 122022260109000. Its totient is φ = 120377881803520.

The previous prime is 121200012122177. The next prime is 121200012122237. The reversal of 121200012122201 is 102221210002121.

It can be written as a sum of positive squares in 4 ways, for example, as 13692042476176 + 107507969646025 = 3700276^2 + 10368605^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121200012122201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121200012122201.

It is not an unprimeable number, because it can be changed into a prime (121200012122291) 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, 27349520 + ... + 31470561.

It is an arithmetic number, because the mean of its divisors is an integer number (15252782513625).

Almost surely, 2^{121200012122201} is an apocalyptic number.

It is an amenable number.

121200012122201 is a deficient number, since it is larger than the sum of its proper divisors (822247986799).

121200012122201 is a wasteful number, since it uses less digits than its factorization.

121200012122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58834059.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121200012122201 its reverse (102221210002121), we get a palindrome (223421222124322).

The spelling of 121200012122201 in words is "one hundred twenty-one trillion, two hundred billion, twelve million, one hundred twenty-two thousand, two hundred one".