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12612473202 = 237300296981
BaseRepresentation
bin10111011111100001…
…10001000101110010
31012112222121000122010
423233300301011302
5201312243120302
65443305023350
7624356152620
oct135760610562
935488530563
1012612473202
11539245987a
12253ba84b56
1312600098c4
148790d0510
154dc40416c
hex2efc31172

12612473202 has 16 divisors (see below), whose sum is σ = 28828510272. Its totient is φ = 3603563760.

The previous prime is 12612473197. The next prime is 12612473207. The reversal of 12612473202 is 20237421621.

It is an interprime number because it is at equal distance from previous prime (12612473197) and next prime (12612473207).

It is a self number, because there is not a number n which added to its sum of digits gives 12612473202.

It is not an unprimeable number, because it can be changed into a prime (12612473207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150148449 + ... + 150148532.

It is an arithmetic number, because the mean of its divisors is an integer number (1801781892).

Almost surely, 212612473202 is an apocalyptic number.

12612473202 is an abundant number, since it is smaller than the sum of its proper divisors (16216037070).

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

12612473202 is a wasteful number, since it uses less digits than its factorization.

12612473202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300296993.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 12612473202 its reverse (20237421621), we get a palindrome (32849894823).

The spelling of 12612473202 in words is "twelve billion, six hundred twelve million, four hundred seventy-three thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 300296981 600593962 900890943 1801781886 2102078867 4204157734 6306236601 12612473202