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122000211021020 = 225471257710319429
BaseRepresentation
bin11011101111010101100011…
…001111011000110011011100
3120222222002212110200212022212
4123233111203033120303130
5111442322413010133040
61111250042340455552
734461136650300653
oct3357254317306334
9528862773625285
10122000211021020
1135966aa9645232
121182455b9aa5b8
13530c755606847
14221abad97019a
15e1878ae17d65
hex6ef5633d8cdc

122000211021020 has 48 divisors (see below), whose sum is σ = 261672345728640. Its totient is φ = 47757982562304.

The previous prime is 122000211021011. The next prime is 122000211021079. The reversal of 122000211021020 is 20120112000221.

It is a junction number, because it is equal to n+sod(n) for n = 122000211020986 and 122000211021004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6662666 + ... + 16982094.

It is an arithmetic number, because the mean of its divisors is an integer number (5451507202680).

Almost surely, 2122000211021020 is an apocalyptic number.

122000211021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000211021020 is an abundant number, since it is smaller than the sum of its proper divisors (139672134707620).

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

122000211021020 is a wasteful number, since it uses less digits than its factorization.

122000211021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10332062 (or 10332060 counting only the distinct ones).

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

Adding to 122000211021020 its reverse (20120112000221), we get a palindrome (142120323021241).

The spelling of 122000211021020 in words is "one hundred twenty-two trillion, two hundred eleven million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 12577 25154 50308 62885 125770 251540 591119 1182238 2364476 2955595 5911190 10319429 11822380 20638858 41277716 51597145 103194290 206388580 485013163 970026326 1940052652 2425065815 4850131630 9700263260 129787458533 259574917066 519149834132 648937292665 1297874585330 2595749170660 6100010551051 12200021102102 24400042204204 30500052755255 61000105510510 122000211021020