201202121202001 has 8 divisors (see below), whose sum is σ = 204508257758784. Its totient is φ = 197896234359120.

The previous prime is 201202121201993. The next prime is 201202121202023. The reversal of 201202121202001 is 100202121202102.

It is a happy number.

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 201202121202001 - 2³ = 201202121201993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201202127202001) 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, 60803431 + ... + 64027036.

It is an arithmetic number, because the mean of its divisors is an integer number (25563532219848).

Almost surely, 2^{201202121202001} is an apocalyptic number.

It is an amenable number.

201202121202001 is a deficient number, since it is larger than the sum of its proper divisors (3306136556783).

201202121202001 is a wasteful number, since it uses less digits than its factorization.

201202121202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124856951.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201202121202001 its reverse (100202121202102), we get a palindrome (301404242404103).

The spelling of 201202121202001 in words is "two hundred one trillion, two hundred two billion, one hundred twenty-one million, two hundred two thousand, one".