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212222202023 = 13532399128393
BaseRepresentation
bin1100010110100101101…
…1011101000010100111
3202021210010111212201102
43011221123131002213
511434112340431043
6241254334150315
721222030645026
oct3055133350247
9667703455642
10212222202023
118200399a507
123516895239b
1317021512790
14a3b34208bd
1557c14876b8
hex31696dd0a7

212222202023 has 16 divisors (see below), whose sum is σ = 232958073600. Its totient is φ = 192119625984.

The previous prime is 212222202019. The next prime is 212222202061. The reversal of 212222202023 is 320202222212.

It is not a de Polignac number, because 212222202023 - 22 = 212222202019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212222201986 and 212222202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222202523) 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, 1588715 + ... + 1717107.

It is an arithmetic number, because the mean of its divisors is an integer number (14559879600).

Almost surely, 2212222202023 is an apocalyptic number.

212222202023 is a deficient number, since it is larger than the sum of its proper divisors (20735871577).

212222202023 is a wasteful number, since it uses less digits than its factorization.

212222202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130858.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 212222202023 its reverse (320202222212), we get a palindrome (532424424235).

The spelling of 212222202023 in words is "two hundred twelve billion, two hundred twenty-two million, two hundred two thousand, twenty-three".

Divisors: 1 13 53 689 2399 31187 127147 128393 1652911 1669109 6804829 88462777 308014807 4004192491 16324784771 212222202023