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212010300001020 = 22353613977997509
BaseRepresentation
bin110000001101001001111110…
…100111101100101011111100
31000210122222122022222102112010
4300031021332213230223330
5210242034043300013040
62030524104240211220
762441144606024523
oct6015117647545374
91023588568872463
10212010300001020
116160a077287394
121b941024609b10
13913b640867311
143a4d4d35394ba
151979d1b37be80
hexc0d27e9ecafc

212010300001020 has 48 divisors (see below), whose sum is σ = 593793144191520. Its totient is φ = 56520431982336.

The previous prime is 212010300001007. The next prime is 212010300001037. The reversal of 212010300001020 is 20100003010212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 212010300000987 and 212010300001005.

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, 488781975 + ... + 489215534.

It is an arithmetic number, because the mean of its divisors is an integer number (12370690503990).

Almost surely, 2212010300001020 is an apocalyptic number.

212010300001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010300001020 is an abundant number, since it is smaller than the sum of its proper divisors (381782844190500).

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

212010300001020 is a wasteful number, since it uses less digits than its factorization.

212010300001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978001134 (or 978001132 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 212010300001020 its reverse (20100003010212), we get a palindrome (232110303011232).

The spelling of 212010300001020 in words is "two hundred twelve trillion, ten billion, three hundred million, one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3613 7226 10839 14452 18065 21678 36130 43356 54195 72260 108390 216780 977997509 1955995018 2933992527 3911990036 4889987545 5867985054 9779975090 11735970108 14669962635 19559950180 29339925270 58679850540 3533505000017 7067010000034 10600515000051 14134020000068 17667525000085 21201030000102 35335050000170 42402060000204 53002575000255 70670100000340 106005150000510 212010300001020