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122120100010220 = 22513469692692347
BaseRepresentation
bin11011110001000101001101…
…001011100101100011101100
3121000101120022201222112122012
4123301011031023211203230
5112001303431100311340
61111421111025540352
734502612631011504
oct3361051513454354
9530346281875565
10122120100010220
1135a02930878294
121184383a4a46b8
13531ab507c3740
14222290425aa04
15e1b956291565
hex6f114d2e58ec

122120100010220 has 24 divisors (see below), whose sum is σ = 276179303100624. Its totient is φ = 45090498465216.

The previous prime is 122120100010171. The next prime is 122120100010243. The reversal of 122120100010220 is 22010001021221.

It is a super-2 number, since 2×1221201000102202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122120100010195 and 122120100010204.

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, 234846345914 + ... + 234846346433.

It is an arithmetic number, because the mean of its divisors is an integer number (11507470962526).

Almost surely, 2122120100010220 is an apocalyptic number.

122120100010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120100010220 is an abundant number, since it is smaller than the sum of its proper divisors (154059203090404).

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

122120100010220 is a wasteful number, since it uses less digits than its factorization.

122120100010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469692692369 (or 469692692367 counting only the distinct ones).

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

Adding to 122120100010220 its reverse (22010001021221), we get a palindrome (144130101031441).

The spelling of 122120100010220 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 469692692347 939385384694 1878770769388 2348463461735 4696926923470 6106005000511 9393853846940 12212010001022 24424020002044 30530025002555 61060050005110 122120100010220