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2212320012 = 223723762449
BaseRepresentation
bin1000001111011101…
…0101001100001100
312201011212111112020
42003313111030030
514012323220022
61003305410140
7105552260400
oct20367251414
95634774466
102212320012
11a35884851
12518a99950
132934561c6
1416db67100
15ce35235c
hex83dd530c

2212320012 has 36 divisors (see below), whose sum is σ = 6004870200. Its totient is φ = 632091264.

The previous prime is 2212319999. The next prime is 2212320023. The reversal of 2212320012 is 2100232122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2212319973 and 2212320000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1880637 + ... + 1881812.

It is an arithmetic number, because the mean of its divisors is an integer number (166801950).

Almost surely, 22212320012 is an apocalyptic number.

It is an amenable number.

2212320012 is an abundant number, since it is smaller than the sum of its proper divisors (3792550188).

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

2212320012 is a wasteful number, since it uses less digits than its factorization.

2212320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762470 (or 3762461 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2212320012 is about 47035.3060158005. The cubic root of 2212320012 is about 1303.0147021161.

Adding to 2212320012 its reverse (2100232122), we get a palindrome (4312552134).

The spelling of 2212320012 in words is "two billion, two hundred twelve million, three hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 3762449 7524898 11287347 15049796 22574694 26337143 45149388 52674286 79011429 105348572 158022858 184360001 316045716 368720002 553080003 737440004 1106160006 2212320012