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12222110019 = 37627192809
BaseRepresentation
bin10110110000111111…
…01001100101000011
31011112210001112000110
423120133221211003
5200012330010034
65340442122403
7611606135550
oct133037514503
934483045013
1012222110019
115202076179
1224511b0403
1311ca190782
1483d317a27
154b7ee5de9
hex2d87e9943

12222110019 has 16 divisors (see below), whose sum is σ = 18627338240. Its totient is φ = 6982873920.

The previous prime is 12222110009. The next prime is 12222110039. The reversal of 12222110019 is 91001122221.

It is not a de Polignac number, because 12222110019 - 215 = 12222077251 is a prime.

It is a super-2 number, since 2×122221100192 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12222109977 and 12222110004.

It is not an unprimeable number, because it can be changed into a prime (12222110009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85287 + ... + 178095.

It is an arithmetic number, because the mean of its divisors is an integer number (1164208640).

Almost surely, 212222110019 is an apocalyptic number.

12222110019 is a deficient number, since it is larger than the sum of its proper divisors (6405228221).

12222110019 is an equidigital number, since it uses as much as digits as its factorization.

12222110019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99090.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 12222110019 in words is "twelve billion, two hundred twenty-two million, one hundred ten thousand, nineteen".

Divisors: 1 3 7 21 6271 18813 43897 92809 131691 278427 649663 1948989 582005239 1746015717 4074036673 12222110019