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10202212122122 = 25810987785129
BaseRepresentation
bin1001010001110110001100…
…1110101011111000001010
31100010022200201000101101202
42110131203032223320022
52314123112300401442
633410455340344202
72102041220126036
oct224354316537012
940108621011352
1010202212122122
113283808854319
121189310245062
135900ab8617a7
14273b0ad251c6
1512a5b26cac32
hex947633abe0a

10202212122122 has 8 divisors (see below), whose sum is σ = 15303581712900. Its totient is φ = 5101018217824.

The previous prime is 10202212122121. The next prime is 10202212122143. The reversal of 10202212122122 is 22122121220201.

10202212122122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9120526840441 + 1081685281681 = 3020021^2 + 1040041^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 10202212122094 and 10202212122103.

It is not an unprimeable number, because it can be changed into a prime (10202212122121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43776347 + ... + 44008782.

Almost surely, 210202212122122 is an apocalyptic number.

10202212122122 is a deficient number, since it is larger than the sum of its proper divisors (5101369590778).

10202212122122 is an equidigital number, since it uses as much as digits as its factorization.

10202212122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87843240.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10202212122122 its reverse (22122121220201), we get a palindrome (32324333342323).

The spelling of 10202212122122 in words is "ten trillion, two hundred two billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 58109 116218 87785129 175570258 5101106061061 10202212122122