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12212230234 = 241216168917
BaseRepresentation
bin10110101111110011…
…11101100001011010
31011112002110120111111
423113321331201122
5200002312331414
65335450250534
7611426146531
oct132771754132
934462416444
1012212230234
1151a7538366
122449a26a4a
1311c8111849
1483bca5318
154b71e38c4
hex2d7e7d85a

12212230234 has 16 divisors (see below), whose sum is σ = 18774090216. Its totient is φ = 5954342400.

The previous prime is 12212230229. The next prime is 12212230301. The reversal of 12212230234 is 43203221221.

It can be written as a sum of positive squares in 4 ways, for example, as 7283769025 + 4928461209 = 85345^2 + 70203^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142744 + ... + 211660.

Almost surely, 212212230234 is an apocalyptic number.

12212230234 is a deficient number, since it is larger than the sum of its proper divisors (6561859982).

12212230234 is a wasteful number, since it uses less digits than its factorization.

12212230234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71121.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12212230234 its reverse (43203221221), we get a palindrome (55415451455).

The spelling of 12212230234 in words is "twelve billion, two hundred twelve million, two hundred thirty thousand, two hundred thirty-four".

Divisors: 1 2 41 82 2161 4322 68917 88601 137834 177202 2825597 5651194 148929637 297859274 6106115117 12212230234