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12212201032 = 231526525129
BaseRepresentation
bin10110101111110011…
…10110011001001000
31011112002102002102221
423113321312121020
5200002310413112
65335445503424
7611425665433
oct132771663110
934462362387
1012212201032
1151a7518429
122449a11b74
1311c8101475
1483bc9881a
154b71d9e07
hex2d7e76648

12212201032 has 8 divisors (see below), whose sum is σ = 22897876950. Its totient is φ = 6106100512.

The previous prime is 12212200993. The next prime is 12212201041. The reversal of 12212201032 is 23010221221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11665296036 + 546904996 = 108006^2 + 23386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12212200997 and 12212201015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763262557 + ... + 763262572.

Almost surely, 212212201032 is an apocalyptic number.

It is an amenable number.

12212201032 is a deficient number, since it is larger than the sum of its proper divisors (10685675918).

12212201032 is a wasteful number, since it uses less digits than its factorization.

12212201032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526525135 (or 1526525131 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12212201032 its reverse (23010221221), we get a palindrome (35222422253).

The spelling of 12212201032 in words is "twelve billion, two hundred twelve million, two hundred one thousand, thirty-two".

Divisors: 1 2 4 8 1526525129 3053050258 6106100516 12212201032