121012200201201 has 4 divisors (see below), whose sum is σ = 161349600268272. Its totient is φ = 80674800134132.

The previous prime is 121012200201149. The next prime is 121012200201209. The reversal of 121012200201201 is 102102002210121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121012200201201 - 2²⁵ = 121012166646769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121012200201209) 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, 20168700033531 + ... + 20168700033536.

It is an arithmetic number, because the mean of its divisors is an integer number (40337400067068).

Almost surely, 2^{121012200201201} is an apocalyptic number.

It is an amenable number.

121012200201201 is a deficient number, since it is larger than the sum of its proper divisors (40337400067071).

121012200201201 is an equidigital number, since it uses as much as digits as its factorization.

121012200201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40337400067070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121012200201201 its reverse (102102002210121), we get a palindrome (223114202411322).

The spelling of 121012200201201 in words is "one hundred twenty-one trillion, twelve billion, two hundred million, two hundred one thousand, two hundred one".