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212101010002122 = 2345316178007967
BaseRepresentation
bin110000001110011110011101…
…010110111001000011001010
31000210222122210001211221001120
4300032132131112321003022
5210300030332030031442
62031033505302300110
762450535516225243
oct6016363526710312
91023878701757046
10212101010002122
116164459575884a
121b95671b127636
1391470687bab97
143a53a5a855cca
15197c379c044ec
hexc0e79d5b90ca

212101010002122 has 16 divisors (see below), whose sum is σ = 424202961537792. Its totient is φ = 70700179745120.

The previous prime is 212101010002109. The next prime is 212101010002177. The reversal of 212101010002122 is 221200010101212.

212101010002122 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2121010100021223 (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36285018 + ... + 41722949.

It is an arithmetic number, because the mean of its divisors is an integer number (26512685096112).

Almost surely, 2212101010002122 is an apocalyptic number.

212101010002122 is an abundant number, since it is smaller than the sum of its proper divisors (212101951535670).

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

212101010002122 is a wasteful number, since it uses less digits than its factorization.

212101010002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78461133.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212101010002122 its reverse (221200010101212), we get a palindrome (433301020103334).

The spelling of 212101010002122 in words is "two hundred twelve trillion, one hundred one billion, ten million, two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 453161 906322 1359483 2718966 78007967 156015934 234023901 468047802 35350168333687 70700336667374 106050505001061 212101010002122