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12220001051 = 71918239323
BaseRepresentation
bin10110110000101111…
…00110101100011011
31011112122002101001112
423120113212230123
5200011310013201
65340325010535
7611552203136
oct133027465433
934478071045
1012220001051
115200965725
122450553a4b
1311c990286b
1483cd2921d
154b7c2b0bb
hex2d85e6b1b

12220001051 has 8 divisors (see below), whose sum is σ = 12245022720. Its totient is φ = 12195003112.

The previous prime is 12220001029. The next prime is 12220001077. The reversal of 12220001051 is 15010002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12220001051 is a prime.

It is a super-2 number, since 2×122200010512 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220201051) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1306076 + ... + 1315398.

It is an arithmetic number, because the mean of its divisors is an integer number (1530627840).

Almost surely, 212220001051 is an apocalyptic number.

12220001051 is a deficient number, since it is larger than the sum of its proper divisors (25021669).

12220001051 is an equidigital number, since it uses as much as digits as its factorization.

12220001051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11865.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 12220001051 its reverse (15010002221), we get a palindrome (27230003272).

The spelling of 12220001051 in words is "twelve billion, two hundred twenty million, one thousand, fifty-one".

Divisors: 1 719 1823 9323 1310737 6703237 16995829 12220001051