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20120210011222 = 2174114433436163
BaseRepresentation
bin1001001001100100110011…
…11110000111010001010110
32122020110210000210210101121
410210302121332013101112
510114122142230324342
6110443032531514154
74144431363165616
oct444623176072126
978213700723347
1020120210011222
116457a2a022752
12230b52175895a
13b2c434b4c0a9
144d7b75430a46
1524d58d4c2067
hex124c99f87456

20120210011222 has 16 divisors (see below), whose sum is σ = 32735033219952. Its totient is φ = 9237399143680.

The previous prime is 20120210011159. The next prime is 20120210011247. The reversal of 20120210011222 is 22211001202102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20120210011196 and 20120210011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7216716688 + ... + 7216719475.

It is an arithmetic number, because the mean of its divisors is an integer number (2045939576247).

Almost surely, 220120210011222 is an apocalyptic number.

20120210011222 is a deficient number, since it is larger than the sum of its proper divisors (12614823208730).

20120210011222 is a wasteful number, since it uses less digits than its factorization.

20120210011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14433436223.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20120210011222 its reverse (22211001202102), we get a palindrome (42331211213324).

The spelling of 20120210011222 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 17 34 41 82 697 1394 14433436163 28866872326 245368414771 490736829542 591770882683 1183541765366 10060105005611 20120210011222