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1202211212201 = 5464721999583
BaseRepresentation
bin10001011111101001010…
…111110100101110101001
311020221010011111022212122
4101133221113310232221
5124144112032242301
62320142130321025
7152566625460566
oct21375127645651
94227104438778
101202211212201
1142394498459a
12174bb6129175
13894a27438ac
144228a08386d
1521413dbe81b
hex117e95f4ba9

1202211212201 has 4 divisors (see below), whose sum is σ = 1202233266432. Its totient is φ = 1202189157972.

The previous prime is 1202211212173. The next prime is 1202211212273. The reversal of 1202211212201 is 1022121122021.

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 not a de Polignac number, because 1202211212201 - 234 = 1185031343017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202211212201.

It is not an unprimeable number, because it can be changed into a prime (1202211212801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10945145 + ... + 11054438.

It is an arithmetic number, because the mean of its divisors is an integer number (300558316608).

Almost surely, 21202211212201 is an apocalyptic number.

It is an amenable number.

1202211212201 is a deficient number, since it is larger than the sum of its proper divisors (22054231).

1202211212201 is an equidigital number, since it uses as much as digits as its factorization.

1202211212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22054230.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1202211212201 its reverse (1022121122021), we get a palindrome (2224332334222).

The spelling of 1202211212201 in words is "one trillion, two hundred two billion, two hundred eleven million, two hundred twelve thousand, two hundred one".

Divisors: 1 54647 21999583 1202211212201