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12102122001 = 38238275927
BaseRepresentation
bin10110100010101011…
…11011101000010001
31011020102021111101210
423101111323220101
5144241120401001
65320514250333
7605621224344
oct132125735021
934212244353
1012102122001
115150372422
122418b869a9
1311ab36c148
1482b40245b
154ac6e3dd6
hex2d157ba11

12102122001 has 16 divisors (see below), whose sum is σ = 16178033664. Its totient is φ = 8047176144.

The previous prime is 12102121963. The next prime is 12102122161. The reversal of 12102122001 is 10022120121.

12102122001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12102122001 - 26 = 12102121937 is a prime.

It is a super-2 number, since 2×121021220012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102122801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2038900 + ... + 2044826.

It is an arithmetic number, because the mean of its divisors is an integer number (1011127104).

Almost surely, 212102122001 is an apocalyptic number.

It is an amenable number.

12102122001 is a deficient number, since it is larger than the sum of its proper divisors (4075911663).

12102122001 is an equidigital number, since it uses as much as digits as its factorization.

12102122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12102122001 its reverse (10022120121), we get a palindrome (22124242122).

The spelling of 12102122001 in words is "twelve billion, one hundred two million, one hundred twenty-two thousand, one".

Divisors: 1 3 823 827 2469 2481 5927 17781 680621 2041863 4877921 4901629 14633763 14704887 4034040667 12102122001