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202212122122212 = 22316851010176851
BaseRepresentation
bin101101111110100100101101…
…101101010101011111100100
3222111222021211110200012120020
4231332210231231111133210
5203001020411230402322
61554022544431435140
760410225615154006
oct5576445555253744
9874867743605506
10202212122122212
1159481752308154
121a81a092685ab0
1388aa6a1394aa7
1437d11944c2376
15185a00483605c
hexb7e92db557e4

202212122122212 has 12 divisors (see below), whose sum is σ = 471828284951856. Its totient is φ = 67404040707400.

The previous prime is 202212122122163. The next prime is 202212122122223. The reversal of 202212122122212 is 212221221212202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8425505088414 + ... + 8425505088437.

It is an arithmetic number, because the mean of its divisors is an integer number (39319023745988).

Almost surely, 2202212122122212 is an apocalyptic number.

It is an amenable number.

202212122122212 is an abundant number, since it is smaller than the sum of its proper divisors (269616162829644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202212122122212 is a wasteful number, since it uses less digits than its factorization.

202212122122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16851010176858 (or 16851010176856 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 202212122122212 its reverse (212221221212202), we get a palindrome (414433343334414).

The spelling of 202212122122212 in words is "two hundred two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 16851010176851 33702020353702 50553030530553 67404040707404 101106061061106 202212122122212