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2122312121224 = 231371936416169
BaseRepresentation
bin11110111000100011101…
…010001111101110001000
321111220001120200101111221
4132320203222033232020
5234232443400334344
64302550550131424
7306221605244461
oct36704352175610
97456046611457
102122312121224
11749081955899
122a339a050b74
13125196778ab9
1474a12cdbd68
153a315e4b184
hex1ee23a8fb88

2122312121224 has 16 divisors (see below), whose sum is σ = 4008381471900. Its totient is φ = 1053410395392.

The previous prime is 2122312121203. The next prime is 2122312121287. The reversal of 2122312121224 is 4221212132212.

It can be written as a sum of positive squares in 2 ways, for example, as 1995919072900 + 126393048324 = 1412770^2 + 355518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968206989 + ... + 968209180.

Almost surely, 22122312121224 is an apocalyptic number.

It is an amenable number.

2122312121224 is a deficient number, since it is larger than the sum of its proper divisors (1886069350676).

2122312121224 is a wasteful number, since it uses less digits than its factorization.

2122312121224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936416312 (or 1936416308 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 2122312121224 its reverse (4221212132212), we get a palindrome (6343524253436).

The spelling of 2122312121224 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 137 274 548 1096 1936416169 3872832338 7745664676 15491329352 265289015153 530578030306 1061156060612 2122312121224