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122012010100 = 22528467144103
BaseRepresentation
bin111000110100001111…
…0111000011001110100
3102122221020010022111001
41301220132320121310
53444340033310400
6132015044453044
711546366655031
oct1615036703164
9378836108431
10122012010100
1147821665092
121b7916aa184
13b675ca81a6
145c9664a388
15329193ba6a
hex1c687b8674

122012010100 has 36 divisors (see below), whose sum is σ = 264799169824. Its totient is φ = 48798701280.

The previous prime is 122012010067. The next prime is 122012010143. The reversal of 122012010100 is 1010210221.

122012010100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1220120101003 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774649 + ... + 918751.

Almost surely, 2122012010100 is an apocalyptic number.

122012010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012010100 is an abundant number, since it is smaller than the sum of its proper divisors (142787159724).

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

122012010100 is a wasteful number, since it uses less digits than its factorization.

122012010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152584 (or 152577 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122012010100 its reverse (1010210221), we get a palindrome (123022220321).

The spelling of 122012010100 in words is "one hundred twenty-two billion, twelve million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 8467 16934 33868 42335 84670 144103 169340 211675 288206 423350 576412 720515 846700 1441030 2882060 3602575 7205150 14410300 1220120101 2440240202 4880480404 6100600505 12201201010 24402402020 30503002525 61006005050 122012010100