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20112202222212 = 22316710036029053
BaseRepresentation
bin1001001001010101111001…
…01010110100101010000100
32122012201002221201221222110
410210222330222310222010
510114004242232102322
6110435230153101020
74144026056125152
oct444527452645204
978181087657873
1020112202222212
11645459a915301
122309a679b7770
13b2b759b0c8b9
144d7615ada3d2
1524d270488c0c
hex124abcab4a84

20112202222212 has 24 divisors (see below), whose sum is σ = 47209480670016. Its totient is φ = 6663923290528.

The previous prime is 20112202222183. The next prime is 20112202222213. The reversal of 20112202222212 is 21222220221102.

It is a super-2 number, since 2×201122022222122 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20112202222213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018012523 + ... + 5018016530.

It is an arithmetic number, because the mean of its divisors is an integer number (1967061694584).

Almost surely, 220112202222212 is an apocalyptic number.

It is an amenable number.

20112202222212 is an abundant number, since it is smaller than the sum of its proper divisors (27097278447804).

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

20112202222212 is a wasteful number, since it uses less digits than its factorization.

20112202222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10036029227 (or 10036029225 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20112202222212 its reverse (21222220221102), we get a palindrome (41334422443314).

The spelling of 20112202222212 in words is "twenty trillion, one hundred twelve billion, two hundred two million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 167 334 501 668 1002 2004 10036029053 20072058106 30108087159 40144116212 60216174318 120432348636 1676016851851 3352033703702 5028050555553 6704067407404 10056101111106 20112202222212