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2220212210212 = 22797025988007
BaseRepresentation
bin100000010011101110111…
…101011100101000100100
321212020202101222012101201
4200103232331130220210
5242333443311211322
64415541300532244
7316255633256443
oct40235675345044
97766671865351
102220212210212
1178664aa03747
122ba3606b1084
131314991cc039
147965d0d6d5a
153cb45b39d27
hex204eef5ca24

2220212210212 has 12 divisors (see below), whose sum is σ = 3934553284480. Its totient is φ = 1096054128936.

The previous prime is 2220212210197. The next prime is 2220212210221. The reversal of 2220212210212 is 2120122120222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220212210212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512993688 + ... + 3512994319.

Almost surely, 22220212210212 is an apocalyptic number.

It is an amenable number.

2220212210212 is a deficient number, since it is larger than the sum of its proper divisors (1714341074268).

2220212210212 is a wasteful number, since it uses less digits than its factorization.

2220212210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025988090 (or 7025988088 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2220212210212 its reverse (2120122120222), we get a palindrome (4340334330434).

The spelling of 2220212210212 in words is "two trillion, two hundred twenty billion, two hundred twelve million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 79 158 316 7025988007 14051976014 28103952028 555053052553 1110106105106 2220212210212