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2122312121023 = 29895091615487
BaseRepresentation
bin11110111000100011101…
…010001111101010111111
321111220001120200101020111
4132320203222033222333
5234232443400333043
64302550550130451
7306221605244053
oct36704352175277
97456046611214
102122312121023
11749081955726
122a339a050a27
13125196778993
1474a12cdbc63
153a315e4b09d
hex1ee23a8fabf

2122312121023 has 16 divisors (see below), whose sum is σ = 2224526976000. Its totient is φ = 2022123212032.

The previous prime is 2122312121003. The next prime is 2122312121057. The reversal of 2122312121023 is 3201212132212.

It is a cyclic number.

It is not a de Polignac number, because 2122312121023 - 217 = 2122311989951 is a prime.

It is a super-2 number, since 2×21223121210232 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122312120985 and 2122312121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122312121003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505986 + ... + 2121472.

It is an arithmetic number, because the mean of its divisors is an integer number (139032936000).

Almost surely, 22122312121023 is an apocalyptic number.

2122312121023 is a deficient number, since it is larger than the sum of its proper divisors (102214854977).

2122312121023 is a wasteful number, since it uses less digits than its factorization.

2122312121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616114.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2122312121023 its reverse (3201212132212), we get a palindrome (5323524253235).

The spelling of 2122312121023 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty-one thousand, twenty-three".

Divisors: 1 29 89 509 2581 14761 45301 1313729 1615487 46849123 143778343 822282883 4169571947 23846203607 73183176587 2122312121023