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2221012010212 = 221912907083783
BaseRepresentation
bin100000010100011110101…
…000011100010011100100
321212022211010221020201221
4200110132220130103210
5242342113033311322
64420152511230124
7316314514411042
oct40243650342344
97768733836657
102221012010212
11786a20418286
122ba544518344
13131595b11b88
14796d740d392
153cb90e729c7
hex2051ea1c4e4

2221012010212 has 12 divisors (see below), whose sum is σ = 3907120605696. Its totient is φ = 1104691837160.

The previous prime is 2221012010207. The next prime is 2221012010233. The reversal of 2221012010212 is 2120102101222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453541128 + ... + 1453542655.

It is an arithmetic number, because the mean of its divisors is an integer number (325593383808).

Almost surely, 22221012010212 is an apocalyptic number.

It is an amenable number.

2221012010212 is a deficient number, since it is larger than the sum of its proper divisors (1686108595484).

2221012010212 is a wasteful number, since it uses less digits than its factorization.

2221012010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907083978 (or 2907083976 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221012010212 its reverse (2120102101222), we get a palindrome (4341114111434).

The spelling of 2221012010212 in words is "two trillion, two hundred twenty-one billion, twelve million, ten thousand, two hundred twelve".

Divisors: 1 2 4 191 382 764 2907083783 5814167566 11628335132 555253002553 1110506005106 2221012010212