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12020212202212 = 2216411183112123
BaseRepresentation
bin1010111011101010110001…
…1110100111101011100100
31120120010021020220100202101
42232322230132213223210
53033414343310432322
641322001555421444
72350301030624524
oct256725436475344
946503236810671
1012020212202212
11391481a470555
1214217208b4884
13692669034856
142d7ad2141684
1515ca17606327
hexaeeac7a7ae4

12020212202212 has 12 divisors (see below), whose sum is σ = 21036653253616. Its totient is φ = 6009739844040.

The previous prime is 12020212202197. The next prime is 12020212202239. The reversal of 12020212202212 is 21220221202021.

It is a self number, because there is not a number n which added to its sum of digits gives 12020212202212.

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, 91490418 + ... + 91621705.

Almost surely, 212020212202212 is an apocalyptic number.

It is an amenable number.

12020212202212 is a deficient number, since it is larger than the sum of its proper divisors (9016441051404).

12020212202212 is a wasteful number, since it uses less digits than its factorization.

12020212202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183128538 (or 183128536 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12020212202212 its reverse (21220221202021), we get a palindrome (33240433404233).

The spelling of 12020212202212 in words is "twelve trillion, twenty billion, two hundred twelve million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 4 16411 32822 65644 183112123 366224246 732448492 3005053050553 6010106101106 12020212202212