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1012212112303 = 7317187392681
BaseRepresentation
bin11101011101011001000…
…10110001101110101111
310120202200210200000012201
432232230202301232233
5113041002300043203
62053000454242331
7133062362665000
oct16565442615657
93522623600181
101012212112303
11360305392697
1214420b9563a7
13745b33687b2
1436dc42bb1a7
151b4e3934e1d
hexebac8b1baf

1012212112303 has 32 divisors (see below), whose sum is σ = 1250539689600. Its totient is φ = 816129699840.

The previous prime is 1012212112277. The next prime is 1012212112321. The reversal of 1012212112303 is 3032112122101.

It is not a de Polignac number, because 1012212112303 - 29 = 1012212111791 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 (1012212112393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10875123 + ... + 10967803.

It is an arithmetic number, because the mean of its divisors is an integer number (39079365300).

Almost surely, 21012212112303 is an apocalyptic number.

1012212112303 is a deficient number, since it is larger than the sum of its proper divisors (238327577297).

1012212112303 is an equidigital number, since it uses as much as digits as its factorization.

1012212112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94592 (or 94578 counting only the distinct ones).

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

Adding to 1012212112303 its reverse (3032112122101), we get a palindrome (4044324234404).

The spelling of 1012212112303 in words is "one trillion, twelve billion, two hundred twelve million, one hundred twelve thousand, three hundred three".

Divisors: 1 7 17 49 119 343 833 1873 5831 13111 31841 91777 92681 222887 642439 648767 1560209 1575577 4541369 10921463 11029039 31789583 77203273 173591513 540422911 1215140591 2951055721 8505984137 20657390047 59541888959 144601730329 1012212112303