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2220010012012 = 2213173537114231
BaseRepresentation
bin100000010011100010111…
…010000111110101101100
321212020020022111110121111
4200103202322013311230
5242333040030341022
64415505235041404
7316250626515352
oct40234272076554
97766208443544
102220010012012
1178655685a1a1
122ba304a40264
13131466355330
14796403017d2
153cb32ee9477
hex204e2e87d6c

2220010012012 has 48 divisors (see below), whose sum is σ = 4442524857792. Its totient is φ = 961616240640.

The previous prime is 2220010012007. The next prime is 2220010012039. The reversal of 2220010012012 is 2102100100222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2220010011983 and 2220010012001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3245064 + ... + 3869167.

It is an arithmetic number, because the mean of its divisors is an integer number (92552601204).

Almost surely, 22220010012012 is an apocalyptic number.

It is an amenable number.

2220010012012 is an abundant number, since it is smaller than the sum of its proper divisors (2222514845780).

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

2220010012012 is a wasteful number, since it uses less digits than its factorization.

2220010012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114618 (or 7114616 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2220010012012 its reverse (2102100100222), we get a palindrome (4322110112234).

The spelling of 2220010012012 in words is "two trillion, two hundred twenty billion, ten million, twelve thousand, twelve".

Divisors: 1 2 4 13 17 26 34 52 68 221 353 442 706 884 1412 4589 6001 9178 12002 18356 24004 78013 156026 312052 7114231 14228462 28456924 92485003 120941927 184970006 241883854 369940012 483767708 1572245051 2511323543 3144490102 5022647086 6288980204 10045294172 32647206059 42692500231 65294412118 85385000462 130588824236 170770000924 555002503003 1110005006006 2220010012012