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121314022020 = 22325900774827
BaseRepresentation
bin111000011111011100…
…0010001001010000100
3102121010120201211211200
41300332320101022010
53441422342201040
6131421512302500
711523163113252
oct1607670211204
9377116654750
10121314022020
11474a366a334
121b6179a1a30
13b5944c17a9
145c2ba775d2
153250515630
hex1c3ee11284

121314022020 has 72 divisors (see below), whose sum is σ = 368031640704. Its totient is φ = 32346381888.

The previous prime is 121314022007. The next prime is 121314022033. The reversal of 121314022020 is 20220413121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121314022007) and next prime (121314022033).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121314021984 and 121314022002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1583847 + ... + 1658673.

Almost surely, 2121314022020 is an apocalyptic number.

121314022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121314022020 is an abundant number, since it is smaller than the sum of its proper divisors (246717618684).

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

121314022020 is a wasteful number, since it uses less digits than its factorization.

121314022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83849 (or 83844 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121314022020 its reverse (20220413121), we get a palindrome (141534435141).

The spelling of 121314022020 in words is "one hundred twenty-one billion, three hundred fourteen million, twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 9007 18014 27021 36028 45035 54042 74827 81063 90070 108084 135105 149654 162126 180140 224481 270210 299308 324252 374135 405315 448962 540420 673443 748270 810630 897924 1122405 1346886 1496540 1621260 2244810 2693772 3367215 4489620 6734430 13468860 673966789 1347933578 2021900367 2695867156 3369833945 4043800734 6065701101 6739667890 8087601468 10109501835 12131402202 13479335780 20219003670 24262804404 30328505505 40438007340 60657011010 121314022020