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212020210122 = 23717296947073
BaseRepresentation
bin1100010101110101100…
…0111010100111001010
3202021021001102121220220
43011131120322213022
511433204133210442
6241222320530510
721214026023250
oct3053530724712
9667231377826
10212020210122
1181a0a976a56
1235111180a36
1316cbb70b946
14a3946805d0
1557ad887eec
hex315d63a9ca

212020210122 has 32 divisors (see below), whose sum is σ = 513124543872. Its totient is φ = 57013837824.

The previous prime is 212020210111. The next prime is 212020210159. The reversal of 212020210122 is 221012020212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148472823 + ... + 148474250.

It is an arithmetic number, because the mean of its divisors is an integer number (16035141996).

Almost surely, 2212020210122 is an apocalyptic number.

212020210122 is an abundant number, since it is smaller than the sum of its proper divisors (301104333750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212020210122 is a wasteful number, since it uses less digits than its factorization.

212020210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296947102.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212020210122 its reverse (221012020212), we get a palindrome (433032230334).

The spelling of 212020210122 in words is "two hundred twelve billion, twenty million, two hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 296947073 593894146 890841219 1781682438 2078629511 4157259022 5048100241 6235888533 10096200482 12471777066 15144300723 30288601446 35336701687 70673403374 106010105061 212020210122