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2122001212001 = 115323915229273
BaseRepresentation
bin11110111000010001001…
…000001110001001100001
321111212020220122120020112
4132320101020032021201
5234231324302241001
64302500042221105
7306211111460546
oct36702110161141
97455226576215
102122001212001
11748a32400120
122a3311ab4795
1312514722b648
14749c38c8bcd
153a2e89d4cbb
hex1ee1120e261

2122001212001 has 16 divisors (see below), whose sum is σ = 2368456692480. Its totient is φ = 1884774702720.

The previous prime is 2122001211997. The next prime is 2122001212057. The reversal of 2122001212001 is 1002121002212.

It is a cyclic number.

It is not a de Polignac number, because 2122001212001 - 22 = 2122001211997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122001215001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7475300 + ... + 7753973.

It is an arithmetic number, because the mean of its divisors is an integer number (148028543280).

Almost surely, 22122001212001 is an apocalyptic number.

It is an amenable number.

2122001212001 is a deficient number, since it is larger than the sum of its proper divisors (246455480479).

2122001212001 is a wasteful number, since it uses less digits than its factorization.

2122001212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15229576.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2122001212001 its reverse (1002121002212), we get a palindrome (3124122214213).

The spelling of 2122001212001 in words is "two trillion, one hundred twenty-two billion, one million, two hundred twelve thousand, one".

Divisors: 1 11 53 239 583 2629 12667 139337 15229273 167522003 807151469 3639796247 8878666159 40037758717 192909201091 2122001212001