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1312443200012 = 227431090069103
BaseRepresentation
bin10011000110010011101…
…101011111001000001100
311122110122102102111200212
4103012103231133020030
5133000340424400022
62442532244341552
7163551365063420
oct23062355371014
94573572374625
101312443200012
11466670a7556a
1219243a6a48b8
13969bc017799
1447745db4b80
152421653e3e2
hex13193b5f20c

1312443200012 has 24 divisors (see below), whose sum is σ = 2685930272256. Its totient is φ = 549394827408.

The previous prime is 1312443199981. The next prime is 1312443200041. The reversal of 1312443200012 is 2100023442131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545033348 + ... + 545035755.

It is an arithmetic number, because the mean of its divisors is an integer number (111913761344).

Almost surely, 21312443200012 is an apocalyptic number.

It is an amenable number.

1312443200012 is an abundant number, since it is smaller than the sum of its proper divisors (1373487072244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312443200012 is a wasteful number, since it uses less digits than its factorization.

1312443200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090069157 (or 1090069155 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1312443200012 its reverse (2100023442131), we get a palindrome (3412466642143).

The spelling of 1312443200012 in words is "one trillion, three hundred twelve billion, four hundred forty-three million, two hundred thousand, twelve".

Divisors: 1 2 4 7 14 28 43 86 172 301 602 1204 1090069103 2180138206 4360276412 7630483721 15260967442 30521934884 46872971429 93745942858 187491885716 328110800003 656221600006 1312443200012