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2021010222012 = 223179906912853
BaseRepresentation
bin11101011010001101100…
…110001010101110111100
321011012120200021201021220
4131122031212022232330
5231103012104101022
64144234514553340
7266004342305445
oct35321546125674
97135520251256
102021010222012
1170a118645631
12287828298850
13118771317ac2
146db62dc42cc
153788779885c
hex1d68d98abbc

2021010222012 has 24 divisors (see below), whose sum is σ = 4993084078416. Its totient is φ = 634042422528.

The previous prime is 2021010221987. The next prime is 2021010222043. The reversal of 2021010222012 is 2102220101202.

It is a junction number, because it is equal to n+sod(n) for n = 2021010221982 and 2021010222000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4953456223 + ... + 4953456630.

It is an arithmetic number, because the mean of its divisors is an integer number (208045169934).

Almost surely, 22021010222012 is an apocalyptic number.

It is an amenable number.

2021010222012 is an abundant number, since it is smaller than the sum of its proper divisors (2972073856404).

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

2021010222012 is a wasteful number, since it uses less digits than its factorization.

2021010222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9906912877 (or 9906912875 counting only the distinct ones).

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

Adding to 2021010222012 its reverse (2102220101202), we get a palindrome (4123230323214).

The spelling of 2021010222012 in words is "two trillion, twenty-one billion, ten million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 9906912853 19813825706 29720738559 39627651412 59441477118 118882954236 168417518501 336835037002 505252555503 673670074004 1010505111006 2021010222012