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1222102000001 = 1787683884723
BaseRepresentation
bin10001110010001010111…
…101001010000110000001
311022211110101112001011002
4101302022331022012001
5130010331103000001
62333231555101345
7154202553413561
oct21621275120601
94284411461132
101222102000001
1143132179a8a3
12178a275a1855
138b32260090c
1443215a5ada1
1521bca26646b
hex11c8af4a181

1222102000001 has 4 divisors (see below), whose sum is σ = 1222785886512. Its totient is φ = 1221418113492.

The previous prime is 1222101999961. The next prime is 1222102000013. The reversal of 1222102000001 is 1000002012221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222102000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222102002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341940575 + ... + 341944148.

It is an arithmetic number, because the mean of its divisors is an integer number (305696471628).

Almost surely, 21222102000001 is an apocalyptic number.

It is an amenable number.

1222102000001 is a deficient number, since it is larger than the sum of its proper divisors (683886511).

1222102000001 is an equidigital number, since it uses as much as digits as its factorization.

1222102000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683886510.

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

Adding to 1222102000001 its reverse (1000002012221), we get a palindrome (2222104012222).

The spelling of 1222102000001 in words is "one trillion, two hundred twenty-two billion, one hundred two million, one", and thus it is an aban number.

Divisors: 1 1787 683884723 1222102000001