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1202212444013 = 7224534947837
BaseRepresentation
bin10001011111101001011…
…100100001011101101101
311020221010020210220121022
4101133221130201131231
5124144112341202023
62320142212543525
7152566642111100
oct21375134413555
94227106726538
101202212444013
11423945646019
12174bb6621ba5
13894a2a85489
144228a2c4737
15214140647c8
hex117e972176d

1202212444013 has 6 divisors (see below), whose sum is σ = 1398492026766. Its totient is φ = 1030467809112.

The previous prime is 1202212444009. The next prime is 1202212444019. The reversal of 1202212444013 is 3104442122021.

It can be written as a sum of positive squares in only one way, i.e., 1202176287844 + 36156169 = 1096438^2 + 6013^2 .

It is not a de Polignac number, because 1202212444013 - 22 = 1202212444009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202212444019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12267473870 + ... + 12267473967.

It is an arithmetic number, because the mean of its divisors is an integer number (233082004461).

Almost surely, 21202212444013 is an apocalyptic number.

It is an amenable number.

1202212444013 is a deficient number, since it is larger than the sum of its proper divisors (196279582753).

1202212444013 is an equidigital number, since it uses as much as digits as its factorization.

1202212444013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24534947851 (or 24534947844 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1202212444013 its reverse (3104442122021), we get a palindrome (4306654566034).

The spelling of 1202212444013 in words is "one trillion, two hundred two billion, two hundred twelve million, four hundred forty-four thousand, thirteen".

Divisors: 1 7 49 24534947837 171744634859 1202212444013