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12010021411 = 17207697973
BaseRepresentation
bin10110010111101101…
…00110001000100011
31010222222222022010211
423023312212020203
5144044031141121
65303424234551
7603422332453
oct131366461043
933888868124
1012010021411
115103386933
1223b216ba57
13119526305b
1481d0a9d63
154a459ece1
hex2cbda6223

12010021411 has 4 divisors (see below), whose sum is σ = 12010736592. Its totient is φ = 12009306232.

The previous prime is 12010021409. The next prime is 12010021421. The reversal of 12010021411 is 11412001021.

12010021411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11412001021 = 37330595177.

It is a cyclic number.

It is not a de Polignac number, because 12010021411 - 21 = 12010021409 is a prime.

It is a super-2 number, since 2×120100214112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010021391 and 12010021400.

It is not an unprimeable number, because it can be changed into a prime (12010021421) 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 3 ways as a sum of consecutive naturals, for example, 331780 + ... + 366193.

It is an arithmetic number, because the mean of its divisors is an integer number (3002684148).

Almost surely, 212010021411 is an apocalyptic number.

12010021411 is a deficient number, since it is larger than the sum of its proper divisors (715181).

12010021411 is an equidigital number, since it uses as much as digits as its factorization.

12010021411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715180.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010021411 its reverse (11412001021), we get a palindrome (23422022432).

The spelling of 12010021411 in words is "twelve billion, ten million, twenty-one thousand, four hundred eleven".

Divisors: 1 17207 697973 12010021411