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12120211010 = 254725787683
BaseRepresentation
bin10110100100110101…
…11011111001000010
31011021200022111212002
423102122323321002
5144310233223020
65322402104002
7606231044105
oct132232737102
934250274762
1012120211010
11515a5a7a16
12242304b002
1311b20337bb
1482d99073c
154ae0b8975
hex2d26bbe42

12120211010 has 16 divisors (see below), whose sum is σ = 22280558976. Its totient is φ = 4744933488.

The previous prime is 12120210997. The next prime is 12120211021. The reversal of 12120211010 is 1011202121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12120210982 and 12120211000.

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, 12893372 + ... + 12894311.

It is an arithmetic number, because the mean of its divisors is an integer number (1392534936).

Almost surely, 212120211010 is an apocalyptic number.

12120211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120211010 is a deficient number, since it is larger than the sum of its proper divisors (10160347966).

12120211010 is a wasteful number, since it uses less digits than its factorization.

12120211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25787737.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12120211010 its reverse (1011202121), we get a palindrome (13131413131).

The spelling of 12120211010 in words is "twelve billion, one hundred twenty million, two hundred eleven thousand, ten".

Divisors: 1 2 5 10 47 94 235 470 25787683 51575366 128938415 257876830 1212021101 2424042202 6060105505 12120211010