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122212020321209 = 7131996167280659
BaseRepresentation
bin11011110010011010110100…
…000011101111101110111001
3121000201100120211021011012202
4123302122310003233232321
5112004310204200234314
61111531232125115545
734512345535530410
oct3362326403575671
9530640524234182
10122212020321209
1135a38910457455
12118596123b8bb5
13532670c40b3c0
1422271441cc477
15e1e035ede0de
hex6f26b40efbb9

122212020321209 has 16 divisors (see below), whose sum is σ = 150422331911040. Its totient is φ = 96690379224960.

The previous prime is 122212020321197. The next prime is 122212020321211. The reversal of 122212020321209 is 902123020212221.

It is a cyclic number.

It is not a de Polignac number, because 122212020321209 - 228 = 122211751885753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122212020321709) 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, 31823879 + ... + 35456780.

It is an arithmetic number, because the mean of its divisors is an integer number (9401395744440).

Almost surely, 2122212020321209 is an apocalyptic number.

It is an amenable number.

122212020321209 is a deficient number, since it is larger than the sum of its proper divisors (28210311589831).

122212020321209 is a wasteful number, since it uses less digits than its factorization.

122212020321209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67300640.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 122212020321209 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty million, three hundred twenty-one thousand, two hundred nine".

Divisors: 1 7 13 91 19961 139727 259493 1816451 67280659 470964613 874648567 6122539969 1342989234299 9400924640093 17458860045887 122212020321209