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2001212013422 = 21347897423499
BaseRepresentation
bin11101000111110001100…
…001111111101101101110
321002022110220110111211002
4131013301201333231232
5230241440233412142
64131202154400302
7264403620306626
oct35076141775556
97068426414732
102001212013422
11701789012476
12283a21a30092
131169376a398b
146cc05829886
15370c95dca32
hex1d1f187fb6e

2001212013422 has 8 divisors (see below), whose sum is σ = 3001840695000. Its totient is φ = 1000598448424.

The previous prime is 2001212013421. The next prime is 2001212013433. The reversal of 2001212013422 is 2243102121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2001212013394 and 2001212013403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001212013421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3442172 + ... + 3981327.

It is an arithmetic number, because the mean of its divisors is an integer number (375230086875).

Almost surely, 22001212013422 is an apocalyptic number.

2001212013422 is a deficient number, since it is larger than the sum of its proper divisors (1000628681578).

2001212013422 is a wasteful number, since it uses less digits than its factorization.

2001212013422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7558290.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2001212013422 its reverse (2243102121002), we get a palindrome (4244314134424).

The spelling of 2001212013422 in words is "two trillion, one billion, two hundred twelve million, thirteen thousand, four hundred twenty-two".

Divisors: 1 2 134789 269578 7423499 14846998 1000606006711 2001212013422