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122211102012 = 22313999727499
BaseRepresentation
bin111000111010001011…
…0010110110100111100
3102200110002202020020120
41301310112112310330
54000242020231022
6132050520014540
711554335140646
oct1616426266474
9380402666216
10122211102012
1147913a8785a
121b828301450
13b6a830505c
145cb4c73896
1532a4166d5c
hex1c74596d3c

122211102012 has 24 divisors (see below), whose sum is σ = 285180000000. Its totient is φ = 40734068016.

The previous prime is 122211101989. The next prime is 122211102031. The reversal of 122211102012 is 210201112221.

It is a junction number, because it is equal to n+sod(n) for n = 122211101982 and 122211102000.

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, 195762 + ... + 531737.

It is an arithmetic number, because the mean of its divisors is an integer number (11882500000).

Almost surely, 2122211102012 is an apocalyptic number.

122211102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122211102012 is an abundant number, since it is smaller than the sum of its proper divisors (162968897988).

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

122211102012 is a wasteful number, since it uses less digits than its factorization.

122211102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741505 (or 741503 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122211102012 its reverse (210201112221), we get a palindrome (332412214233).

The spelling of 122211102012 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 13999 27998 41997 55996 83994 167988 727499 1454998 2182497 2909996 4364994 8729988 10184258501 20368517002 30552775503 40737034004 61105551006 122211102012