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12212201212192 = 25616256250621
BaseRepresentation
bin1011000110110101111111…
…1010100100100100100000
31121020110211022002120212201
42301231133322210210200
53100041042002242232
641550112514302544
72400205505366512
oct261553772444440
947213738076781
1012212201212192
113989190238343
121452981587a54
136a77b4763537
143031062d7bb2
15162a0260dbe7
hexb1b5fea4920

12212201212192 has 24 divisors (see below), whose sum is σ = 24436914929532. Its totient is φ = 6006000595200.

The previous prime is 12212201212181. The next prime is 12212201212279. The reversal of 12212201212192 is 29121210221221.

12212201212192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8954912610576 + 3257288601616 = 2992476^2 + 1804796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12212201212192.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128123359 + ... + 3128127262.

Almost surely, 212212201212192 is an apocalyptic number.

It is an amenable number.

12212201212192 is an abundant number, since it is smaller than the sum of its proper divisors (12224713717340).

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

12212201212192 is an equidigital number, since it uses as much as digits as its factorization.

12212201212192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256250692 (or 6256250684 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 12212201212192 in words is "twelve trillion, two hundred twelve billion, two hundred one million, two hundred twelve thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1952 6256250621 12512501242 25025002484 50050004968 100100009936 200200019872 381631287881 763262575762 1526525151524 3053050303048 6106100606096 12212201212192