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2122021201210 = 25636593333419
BaseRepresentation
bin11110111000010010010…
…100011110010100111010
321111212022022021010021121
4132320102110132110322
5234231344411414320
64302502034455454
7306211443413251
oct36702224362472
97455268233247
102122021201210
11748a42713329
122a331873458a
1312514b409b91
14749c640d798
153a2ea6328aa
hex1ee1251e53a

2122021201210 has 16 divisors (see below), whose sum is σ = 3819699309600. Its totient is φ = 848794892176.

The previous prime is 2122021201199. The next prime is 2122021201217. The reversal of 2122021201210 is 121021202212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2122021201217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030120 + ... + 2303299.

It is an arithmetic number, because the mean of its divisors is an integer number (238731206850).

Almost surely, 22122021201210 is an apocalyptic number.

2122021201210 is a deficient number, since it is larger than the sum of its proper divisors (1697678108390).

2122021201210 is a wasteful number, since it uses less digits than its factorization.

2122021201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397085.

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

Adding to 2122021201210 its reverse (121021202212), we get a palindrome (2243042403422).

The spelling of 2122021201210 in words is "two trillion, one hundred twenty-two billion, twenty-one million, two hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 63659 127318 318295 636590 3333419 6666838 16667095 33334190 212202120121 424404240242 1061010600605 2122021201210