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1312312200211 = 192373431669
BaseRepresentation
bin10011000110001011111…
…001110000110000010011
311122110022021221000202101
4103012023321300300103
5133000103410401321
62442511244501231
7163545214436665
oct23061371606023
94573267830671
101312312200211
11466604030471
1219240284a817
139699ab3bbcc
1447732834535
1524209cb4791
hex1318be70c13

1312312200211 has 48 divisors (see below), whose sum is σ = 1457465512800. Its totient is φ = 1180802847168.

The previous prime is 1312312200197. The next prime is 1312312200217. The reversal of 1312312200211 is 1120022132131.

It is not a de Polignac number, because 1312312200211 - 25 = 1312312200179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1312312200217) 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 47 ways as a sum of consecutive naturals, for example, 786285685 + ... + 786287353.

It is an arithmetic number, because the mean of its divisors is an integer number (30363864850).

Almost surely, 21312312200211 is an apocalyptic number.

1312312200211 is a deficient number, since it is larger than the sum of its proper divisors (145153312589).

1312312200211 is an frugal number, since it uses more digits than its factorization.

1312312200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1312312200211 its reverse (1120022132131), we get a palindrome (2432334332342).

The spelling of 1312312200211 in words is "one trillion, three hundred twelve billion, three hundred twelve million, two hundred thousand, two hundred eleven".

Divisors: 1 19 37 43 361 703 817 1369 1591 1669 13357 15523 26011 30229 31711 50653 58867 61753 71767 494209 574351 602509 962407 1118473 1173307 1363573 2178079 2284861 2655379 18285733 21250987 22292833 25907887 41383501 43412359 50452201 84539857 98249023 786286519 824834821 958591819 1606257283 1866731437 3635213851 30518888377 35467897303 69069063169 1312312200211