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1244124230412 = 223723643956641
BaseRepresentation
bin10010000110101011100…
…101010011001100001100
311101221022011020021000110
4102012223211103030030
5130340431300333122
62351313124000020
7155612362321140
oct22065345231414
94357264207013
101244124230412
1143a6a276a518
12181152830010
1390421c3729b
1444304747220
15225687d690c
hex121ab95330c

1244124230412 has 48 divisors (see below), whose sum is σ = 3461910907392. Its totient is φ = 340009105920.

The previous prime is 1244124230411. The next prime is 1244124230513. The reversal of 1244124230412 is 2140324214421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244124230412.

It is not an unprimeable number, because it can be changed into a prime (1244124230411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321976389 + ... + 321980252.

It is an arithmetic number, because the mean of its divisors is an integer number (72123143904).

Almost surely, 21244124230412 is an apocalyptic number.

1244124230412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244124230412 is an abundant number, since it is smaller than the sum of its proper divisors (2217786676980).

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

1244124230412 is a wasteful number, since it uses less digits than its factorization.

1244124230412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643956678 (or 643956676 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1244124230412 its reverse (2140324214421), we get a palindrome (3384448444833).

The spelling of 1244124230412 in words is "one trillion, two hundred forty-four billion, one hundred twenty-four million, two hundred thirty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 276 322 483 644 966 1932 643956641 1287913282 1931869923 2575826564 3863739846 4507696487 7727479692 9015392974 13523089461 14811002743 18030785948 27046178922 29622005486 44433008229 54092357844 59244010972 88866016458 103677019201 177732032916 207354038402 311031057603 414708076804 622062115206 1244124230412