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2021201022012 = 223168433418501
BaseRepresentation
bin11101011010011000111…
…110000000110000111100
321011020001222022100200120
4131122120332000300330
5231103404430201022
64144305452254540
7266012150134614
oct35323076006074
97136058270616
102021201022012
1170a206314487
12287880171450
131187a1a00703
146db8048da44
15378993d6d5c
hex1d698f80c3c

2021201022012 has 12 divisors (see below), whose sum is σ = 4716135718056. Its totient is φ = 673733674000.

The previous prime is 2021201021909. The next prime is 2021201022031. The reversal of 2021201022012 is 2102201021202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2021201021982 and 2021201022000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84216709239 + ... + 84216709262.

It is an arithmetic number, because the mean of its divisors is an integer number (393011309838).

Almost surely, 22021201022012 is an apocalyptic number.

It is an amenable number.

2021201022012 is an abundant number, since it is smaller than the sum of its proper divisors (2694934696044).

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

2021201022012 is a wasteful number, since it uses less digits than its factorization.

2021201022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168433418508 (or 168433418506 counting only the distinct ones).

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

Adding to 2021201022012 its reverse (2102201021202), we get a palindrome (4123402043214).

The spelling of 2021201022012 in words is "two trillion, twenty-one billion, two hundred one million, twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 168433418501 336866837002 505300255503 673733674004 1010600511006 2021201022012