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12020020220009 = 237383193446909
BaseRepresentation
bin1010111011101010000100…
…0010010001000001101001
31120120002202212122122200102
42232322201002101001221
53033414000134020014
641321530540515145
72350263210042614
oct256724102210151
946502685578612
1012020020220009
11391473106447a
12142168854bab5
13692638326b09
142d7ab484917b
1515ca058328de
hexaeea1091069

12020020220009 has 32 divisors (see below), whose sum is σ = 12934333359360. Its totient is φ = 11145213370368.

The previous prime is 12020020220003. The next prime is 12020020220017. The reversal of 12020020220009 is 90002202002021.

It is a cyclic number.

It is not a de Polignac number, because 12020020220009 - 24 = 12020020219993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020020220003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26672447 + ... + 27119355.

It is an arithmetic number, because the mean of its divisors is an integer number (404197917480).

Almost surely, 212020020220009 is an apocalyptic number.

It is an amenable number.

12020020220009 is a deficient number, since it is larger than the sum of its proper divisors (914313139351).

12020020220009 is a wasteful number, since it uses less digits than its factorization.

12020020220009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447281.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 12020020220009 in words is "twelve trillion, twenty billion, twenty million, two hundred twenty thousand, nine".

Divisors: 1 23 73 83 193 1679 1909 4439 6059 14089 16019 139357 324047 368437 446909 1169387 10278907 26895901 32624357 37093447 86253437 750360211 853149281 1983829051 2707821631 6296500901 7159035271 62279897513 144819520723 164657811233 522609574783 12020020220009