121213201201 has 8 divisors (see below), whose sum is σ = 122758908800. Its totient is φ = 119667777840.

The previous prime is 121213201189. The next prime is 121213201231. The reversal of 121213201201 is 102102312121.

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 121213201201 - 2¹⁹ = 121212676913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121213201231) 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, 865411 + ... + 995671.

It is an arithmetic number, because the mean of its divisors is an integer number (15344863600).

Almost surely, 2^121213201201 is an apocalyptic number.

It is an amenable number.

121213201201 is a deficient number, since it is larger than the sum of its proper divisors (1545707599).

121213201201 is a wasteful number, since it uses less digits than its factorization.

121213201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142119.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121213201201 its reverse (102102312121), we get a palindrome (223315513322).

The spelling of 121213201201 in words is "one hundred twenty-one billion, two hundred thirteen million, two hundred one thousand, two hundred one".