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20220011001212 = 22111759458171191
BaseRepresentation
bin1001001100011110101101…
…00100101011010101111100
32122121000101022222101020012
410212033112210223111330
510122241040304014322
6111000540025242352
74154563502462201
oct446172644532574
978530338871205
1020220011001212
116496293091670
1223269349333b8
13b3897b360019
144dc921c89ca8
15250e7eeeaae2
hex1263d692b57c

20220011001212 has 48 divisors (see below), whose sum is σ = 41565290538240. Its totient is φ = 8503657286400.

The previous prime is 20220011001199. The next prime is 20220011001217. The reversal of 20220011001212 is 21210011002202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220011001217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229041464 + ... + 229129727.

It is an arithmetic number, because the mean of its divisors is an integer number (865943552880).

Almost surely, 220220011001212 is an apocalyptic number.

20220011001212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20220011001212 is an abundant number, since it is smaller than the sum of its proper divisors (21345279537028).

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

20220011001212 is a wasteful number, since it uses less digits than its factorization.

20220011001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458171282 (or 458171280 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20220011001212 its reverse (21210011002202), we get a palindrome (41430022003414).

The spelling of 20220011001212 in words is "twenty trillion, two hundred twenty billion, eleven million, one thousand, two hundred twelve".

Divisors: 1 2 4 11 17 22 34 44 59 68 118 187 236 374 649 748 1003 1298 2006 2596 4012 11033 22066 44132 458171191 916342382 1832684764 5039883101 7788910247 10079766202 15577820494 20159532404 27032100269 31155640988 54064200538 85678012717 108128401076 171356025434 297353102959 342712050868 459545704573 594706205918 919091409146 1189412411836 1838182818292 5055002750303 10110005500606 20220011001212