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2222222202012 = 223185185183501
BaseRepresentation
bin100000010101100110110…
…000111101010010011100
321212102221111010100210110
4200111212300331102130
5242402102340431022
64420512542010020
7316356511025031
oct40254660752234
97772844110713
102222222202012
1178749155529a
122ba821876910
131317297642b7
14797b0033388
153cc1232300c
hex20566c3d49c

2222222202012 has 12 divisors (see below), whose sum is σ = 5185185138056. Its totient is φ = 740740734000.

The previous prime is 2222222201957. The next prime is 2222222202017. The reversal of 2222222202012 is 2102022222222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2222222202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222222202017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92592591739 + ... + 92592591762.

Almost surely, 22222222202012 is an apocalyptic number.

It is an amenable number.

2222222202012 is an abundant number, since it is smaller than the sum of its proper divisors (2962962936044).

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

2222222202012 is a wasteful number, since it uses less digits than its factorization.

2222222202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185185183508 (or 185185183506 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 2222222202012 its reverse (2102022222222), we get a palindrome (4324244424234).

The spelling of 2222222202012 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 185185183501 370370367002 555555550503 740740734004 1111111101006 2222222202012