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2212122212210 = 25795711490309
BaseRepresentation
bin100000001100001100110…
…000100011011101110010
321211110212121012201110002
4200030030300203131302
5242220411241242320
64412122424110002
7315551310362441
oct40141460433562
97743777181402
102212122212210
11783179356489
122b8883305302
131307aa137b81
14790d28c2d58
153c8207b3675
hex2030cc23772

2212122212210 has 32 divisors (see below), whose sum is σ = 4032937036800. Its totient is φ = 873493508160.

The previous prime is 2212122212129. The next prime is 2212122212243. The reversal of 2212122212210 is 122122212122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4266536 + ... + 4756844.

It is an arithmetic number, because the mean of its divisors is an integer number (126029282400).

Almost surely, 22212122212210 is an apocalyptic number.

2212122212210 is a deficient number, since it is larger than the sum of its proper divisors (1820814824590).

2212122212210 is a wasteful number, since it uses less digits than its factorization.

2212122212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496106.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2212122212210 its reverse (122122212122), we get a palindrome (2334244424332).

The spelling of 2212122212210 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 79 158 395 790 5711 11422 28555 57110 451169 490309 902338 980618 2255845 2451545 4511690 4903090 38734411 77468822 193672055 387344110 2800154699 5600309398 14000773495 28001546990 221212221221 442424442442 1106061106105 2212122212210