1201200022001 has 8 divisors (see below), whose sum is σ = 1381020385920. Its totient is φ = 1023434748288.

The previous prime is 1201200021971. The next prime is 1201200022007. The reversal of 1201200022001 is 1002200021021.

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 1201200022001 - 2¹⁸ = 1201199759857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201200022007) 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, 513771296 + ... + 513773633.

It is an arithmetic number, because the mean of its divisors is an integer number (172627548240).

Almost surely, 2^{1201200022001} is an apocalyptic number.

It is an amenable number.

1201200022001 is a deficient number, since it is larger than the sum of its proper divisors (179820363919).

1201200022001 is a wasteful number, since it uses less digits than its factorization.

1201200022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027545103.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1201200022001 its reverse (1002200021021), we get a palindrome (2203400043022).

The spelling of 1201200022001 in words is "one trillion, two hundred one billion, two hundred million, twenty-two thousand, one".