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212212230012040 = 23531732344368427
BaseRepresentation
bin110000010000000110000010…
…100101100011110010001000
31000211101021212011220211102011
4300100012002211203302020
5210303341121340341130
62031200541433145304
762461553613554026
oct6020060245436210
91024337764824364
10212212230012040
1161687779531415
121b97419a55b234
1391546b199703b
143a591aba97716
1519801d8e8b52a
hexc10182963c88

212212230012040 has 64 divisors (see below), whose sum is σ = 499631799375360. Its totient is φ = 81021372802560.

The previous prime is 212212230012019. The next prime is 212212230012053. The reversal of 212212230012040 is 40210032212212.

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, 1172093694 + ... + 1172274733.

It is an arithmetic number, because the mean of its divisors is an integer number (7806746865240).

Almost surely, 2212212230012040 is an apocalyptic number.

212212230012040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212230012040 is an abundant number, since it is smaller than the sum of its proper divisors (287419569363320).

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

212212230012040 is a wasteful number, since it uses less digits than its factorization.

212212230012040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344368542 (or 2344368538 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212212230012040 its reverse (40210032212212), we get a palindrome (252422262224252).

The spelling of 212212230012040 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred thirty million, twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 73 124 146 155 248 292 310 365 584 620 730 1240 1460 2263 2920 4526 9052 11315 18104 22630 45260 90520 2344368427 4688736854 9377473708 11721842135 18754947416 23443684270 46887368540 72675421237 93774737080 145350842474 171138895171 290701684948 342277790342 363377106185 581403369896 684555580684 726754212370 855694475855 1369111161368 1453508424740 1711388951710 2907016849480 3422777903420 5305305750301 6845555806840 10610611500602 21221223001204 26526528751505 42442446002408 53053057503010 106106115006020 212212230012040