1212021120201 has 8 divisors (see below), whose sum is σ = 1659704597184. Its totient is φ = 786175861680.

The previous prime is 1212021120157. The next prime is 1212021120227. The reversal of 1212021120201 is 1020211202121.

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

It is not a de Polignac number, because 1212021120201 - 2²² = 1212016925897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212021120601) 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, 5459554485 + ... + 5459554706.

It is an arithmetic number, because the mean of its divisors is an integer number (207463074648).

Almost surely, 2^{1212021120201} is an apocalyptic number.

It is an amenable number.

1212021120201 is a deficient number, since it is larger than the sum of its proper divisors (447683476983).

1212021120201 is a wasteful number, since it uses less digits than its factorization.

1212021120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10919109231.

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

Adding to 1212021120201 its reverse (1020211202121), we get a palindrome (2232232322322).

The spelling of 1212021120201 in words is "one trillion, two hundred twelve billion, twenty-one million, one hundred twenty thousand, two hundred one".