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20122132212233 = 161771124386523
BaseRepresentation
bin1001001001101000011001…
…00010101110101000001001
32122020122201222202201110122
410210310030202232220021
510114140111321242413
6110443551355153025
74144530123502322
oct444641442565011
978218658681418
1020122132212233
116458826061827
12230b979445775
13b2c680156b3c
144d7cb8837449
1524d652118108
hex124d0c8aea09

20122132212233 has 4 divisors (see below), whose sum is σ = 20122256760528. Its totient is φ = 20122007663940.

The previous prime is 20122132212227. The next prime is 20122132212263. The reversal of 20122132212233 is 33221223122102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20122132212233 - 226 = 20122065103369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122132212263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62031491 + ... + 62355032.

It is an arithmetic number, because the mean of its divisors is an integer number (5030564190132).

Almost surely, 220122132212233 is an apocalyptic number.

It is an amenable number.

20122132212233 is a deficient number, since it is larger than the sum of its proper divisors (124548295).

20122132212233 is a wasteful number, since it uses less digits than its factorization.

20122132212233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124548294.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20122132212233 its reverse (33221223122102), we get a palindrome (53343355334335).

The spelling of 20122132212233 in words is "twenty trillion, one hundred twenty-two billion, one hundred thirty-two million, two hundred twelve thousand, two hundred thirty-three".

Divisors: 1 161771 124386523 20122132212233