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122112222020120 = 23510312961014113
BaseRepresentation
bin11011110000111101110111…
…100111011100001000011000
3121000100210222201011011212002
4123300331313213130020120
5112001141312314120440
61111413325205140132
734502213461133363
oct3360756747341030
9530323881134762
10122112222020120
11359aa558964772
12118422000ba648
13531a19662c337
142222397c730da
15e1b644847115
hex6f0f779dc218

122112222020120 has 32 divisors (see below), whose sum is σ = 275018990908320. Its totient is φ = 48797512565760.

The previous prime is 122112222020081. The next prime is 122112222020147. The reversal of 122112222020120 is 21020222211221.

It is a super-2 number, since 2×1221122220201202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122112222020092 and 122112222020101.

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, 1480465817 + ... + 1480548296.

It is an arithmetic number, because the mean of its divisors is an integer number (8594343465885).

Almost surely, 2122112222020120 is an apocalyptic number.

122112222020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112222020120 is an abundant number, since it is smaller than the sum of its proper divisors (152906768888200).

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

122112222020120 is a wasteful number, since it uses less digits than its factorization.

122112222020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961015155 (or 2961015151 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122112222020120 its reverse (21020222211221), we get a palindrome (143132444231341).

The spelling of 122112222020120 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-two million, twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1031 2062 4124 5155 8248 10310 20620 41240 2961014113 5922028226 11844056452 14805070565 23688112904 29610141130 59220282260 118440564520 3052805550503 6105611101006 12211222202012 15264027752515 24422444404024 30528055505030 61056111010060 122112222020120