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12202202202122 = 23724456611469
BaseRepresentation
bin1011000110010000101111…
…1011011000000000001010
31121012112000110012020200102
42301210023323120000022
53044410102230431442
641541340405005402
72366402642246612
oct261441373300012
947175013166612
1012202202202122
113984a1a03a059
121450a509b3862
136a688003182a
14302838351a42
15162619899232
hexb190bed800a

12202202202122 has 12 divisors (see below), whose sum is σ = 18811357014870. Its totient is φ = 5936206475376.

The previous prime is 12202202202077. The next prime is 12202202202161. The reversal of 12202202202122 is 22120220220221.

It can be written as a sum of positive squares in 3 ways, for example, as 11830978865161 + 371223336961 = 3439619^2 + 609281^2 .

It is a super-2 number, since 2×122022022021222 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12202202202094 and 12202202202103.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2228302997 + ... + 2228308472.

Almost surely, 212202202202122 is an apocalyptic number.

12202202202122 is a deficient number, since it is larger than the sum of its proper divisors (6609154812748).

12202202202122 is an equidigital number, since it uses as much as digits as its factorization.

12202202202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456611545 (or 4456611508 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12202202202122 its reverse (22120220220221), we get a palindrome (34322422422343).

The spelling of 12202202202122 in words is "twelve trillion, two hundred two billion, two hundred two million, two hundred two thousand, one hundred twenty-two".

Divisors: 1 2 37 74 1369 2738 4456611469 8913222938 164894624353 329789248706 6101101101061 12202202202122