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1200202221001 = 71553110404031
BaseRepresentation
bin10001011101110001101…
…000001000010111001001
311020201221011020000001011
4101131301220020113021
5124131003232033001
62315210522523521
7152466062360440
oct21356150102711
94221834200034
101200202221001
11423003956793
121747353665a1
138924246bbc4
1442139327d57
1521347832d51
hex11771a085c9

1200202221001 has 8 divisors (see below), whose sum is σ = 1372542925824. Its totient is φ = 1028082327360.

The previous prime is 1200202220977. The next prime is 1200202221019. The reversal of 1200202221001 is 1001222020021.

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 1200202221001 - 27 = 1200202220873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200202221041) 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, 55191145 + ... + 55212886.

It is an arithmetic number, because the mean of its divisors is an integer number (171567865728).

Almost surely, 21200202221001 is an apocalyptic number.

It is an amenable number.

1200202221001 is a deficient number, since it is larger than the sum of its proper divisors (172340704823).

1200202221001 is a wasteful number, since it uses less digits than its factorization.

1200202221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110405591.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200202221001 its reverse (1001222020021), we get a palindrome (2201424241022).

The spelling of 1200202221001 in words is "one trillion, two hundred billion, two hundred two million, two hundred twenty-one thousand, one".

Divisors: 1 7 1553 10871 110404031 772828217 171457460143 1200202221001