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2021002210212 = 223311153541267
BaseRepresentation
bin11101011010001101000…
…111100110101110100100
321011012120010012200011120
4131122031013212232210
5231103003031211322
64144234031133540
7266004214226436
oct35321507465644
97135503180146
102021002210212
1170a114073207
122878256742b0
1311876c7711ab
146db61cda656
1537886c14a5c
hex1d68d1e6ba4

2021002210212 has 24 divisors (see below), whose sum is σ = 4715695691616. Its totient is φ = 673663993728.

The previous prime is 2021002210211. The next prime is 2021002210217. The reversal of 2021002210212 is 2120122001202.

It is a junction number, because it is equal to n+sod(n) for n = 2021002210191 and 2021002210200.

It is not an unprimeable number, because it can be changed into a prime (2021002210211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3463203 + ... + 4004469.

It is an arithmetic number, because the mean of its divisors is an integer number (196487320484).

Almost surely, 22021002210212 is an apocalyptic number.

It is an amenable number.

2021002210212 is an abundant number, since it is smaller than the sum of its proper divisors (2694693481404).

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

2021002210212 is a wasteful number, since it uses less digits than its factorization.

2021002210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852427 (or 852425 counting only the distinct ones).

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

Adding to 2021002210212 its reverse (2120122001202), we get a palindrome (4141124211414).

The spelling of 2021002210212 in words is "two trillion, twenty-one billion, two million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 311153 541267 622306 933459 1082534 1244612 1623801 1866918 2165068 3247602 3733836 6495204 168416850851 336833701702 505250552553 673667403404 1010501105106 2021002210212