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122200120112020 = 2257553118089391
BaseRepresentation
bin11011110010001111101110…
…110000000011001110010100
3121000200012212110220220010021
4123302033232300003032110
5112004111321222041040
61111521543222234524
734511444615445106
oct3362175660031624
9530605773826107
10122200120112020
1135a33864064125
1211857250b85a44
135325563b460c2
142226735949576
15e1da8b3d124a
hex6f23eec03394

122200120112020 has 24 divisors (see below), whose sum is σ = 256620623712768. Its totient is φ = 48879977287200.

The previous prime is 122200120111943. The next prime is 122200120112131. The reversal of 122200120112020 is 20211021002221.

It is a happy number.

It is a super-2 number, since 2×1222001201120202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122200120111985 and 122200120112003.

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, 11061525 + ... + 19150915.

It is an arithmetic number, because the mean of its divisors is an integer number (10692525988032).

Almost surely, 2122200120112020 is an apocalyptic number.

122200120112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122200120112020 is an abundant number, since it is smaller than the sum of its proper divisors (134420503600748).

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

122200120112020 is a wasteful number, since it uses less digits than its factorization.

122200120112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8844711 (or 8844709 counting only the distinct ones).

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

Adding to 122200120112020 its reverse (20211021002221), we get a palindrome (142411141114241).

The spelling of 122200120112020 in words is "one hundred twenty-two trillion, two hundred billion, one hundred twenty million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 755311 1510622 3021244 3776555 7553110 8089391 15106220 16178782 32357564 40446955 80893910 161787820 6110006005601 12220012011202 24440024022404 30550030028005 61100060056010 122200120112020