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210012213222220 = 22518507756736443
BaseRepresentation
bin101111110000000101000111…
…010111100001101101001100
31000112120222020020012021122111
4233300011013113201231030
5210011320003041102340
62022354140122153404
762143611264443023
oct5760050727415514
91015528206167574
10210012213222220
1160a097523a1a52
121b679935352864
1390250b37b55c6
1439c0906bd58ba
151942d7631eaea
hexbf01475e1b4c

210012213222220 has 24 divisors (see below), whose sum is σ = 441028038470544. Its totient is φ = 84004429916736.

The previous prime is 210012213222191. The next prime is 210012213222277. The reversal of 210012213222220 is 22222312210012.

It is a happy number.

210012213222220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210012213222191 and 210012213222200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24666682 + ... + 32069761.

It is an arithmetic number, because the mean of its divisors is an integer number (18376168269606).

Almost surely, 2210012213222220 is an apocalyptic number.

210012213222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210012213222220 is an abundant number, since it is smaller than the sum of its proper divisors (231015825248324).

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

210012213222220 is a wasteful number, since it uses less digits than its factorization.

210012213222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56921529 (or 56921527 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 210012213222220 its reverse (22222312210012), we get a palindrome (232234525432232).

The spelling of 210012213222220 in words is "two hundred ten trillion, twelve billion, two hundred thirteen million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 185077 370154 740308 925385 1850770 3701540 56736443 113472886 226945772 283682215 567364430 1134728860 10500610661111 21001221322222 42002442644444 52503053305555 105006106611110 210012213222220