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1312010012213 = 2886474545379
BaseRepresentation
bin10011000101111001111…
…001000000011000110101
311122102112020022021202022
4103011321321000120311
5132443444030342323
62442421251522525
7163534555045265
oct23057171003065
94572466267668
101312010012213
114664694a211a
121923395b9445
1396950356244
14477046517a5
15241dd4c24c8
hex13179e40635

1312010012213 has 4 divisors (see below), whose sum is σ = 1312014846240. Its totient is φ = 1312005178188.

The previous prime is 1312010012191. The next prime is 1312010012239. The reversal of 1312010012213 is 3122100102131.

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 1312010012213 - 210 = 1312010011189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312010012191 and 1312010012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312010015213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984043 + ... + 2561336.

It is an arithmetic number, because the mean of its divisors is an integer number (328003711560).

Almost surely, 21312010012213 is an apocalyptic number.

It is an amenable number.

1312010012213 is a deficient number, since it is larger than the sum of its proper divisors (4834027).

1312010012213 is an equidigital number, since it uses as much as digits as its factorization.

1312010012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834026.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1312010012213 its reverse (3122100102131), we get a palindrome (4434110114344).

The spelling of 1312010012213 in words is "one trillion, three hundred twelve billion, ten million, twelve thousand, two hundred thirteen".

Divisors: 1 288647 4545379 1312010012213