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122001100212020 = 2256100055010601
BaseRepresentation
bin11011101111010110011000…
…001111011000011100110100
3120222222012011102212110001212
4123233112120033120130310
5111442331223123241040
61111250310503140552
734461200665300361
oct3357263017303464
9528865142773055
10122001100212020
1135967415564627
1211824769744758
13530c8678b7373
14221ac55ab5468
15e187de00bd65
hex6ef5983d8734

122001100212020 has 12 divisors (see below), whose sum is σ = 256202310445284. Its totient is φ = 48800440084800.

The previous prime is 122001100211983. The next prime is 122001100212031. The reversal of 122001100212020 is 20212001100221.

It can be written as a sum of positive squares in 2 ways, for example, as 20143472469904 + 101857627742116 = 4488148^2 + 10092454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122001100211986 and 122001100212004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050027505281 + ... + 3050027505320.

It is an arithmetic number, because the mean of its divisors is an integer number (21350192537107).

Almost surely, 2122001100212020 is an apocalyptic number.

122001100212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001100212020 is an abundant number, since it is smaller than the sum of its proper divisors (134201210233264).

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

122001100212020 is a wasteful number, since it uses less digits than its factorization.

122001100212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100055010610 (or 6100055010608 counting only the distinct ones).

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

Adding to 122001100212020 its reverse (20212001100221), we get a palindrome (142213101312241).

The spelling of 122001100212020 in words is "one hundred twenty-two trillion, one billion, one hundred million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 6100055010601 12200110021202 24400220042404 30500275053005 61000550106010 122001100212020