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212210121012212 = 221717573391775831
BaseRepresentation
bin110000010000000100000100…
…111000010111001111110100
31000211101002102012110112112102
4300100010010320113033310
5210303322311434342322
62031155552254041232
762461450424424341
oct6020040470271764
91024332365415472
10212210121012212
1161686897006654
121b9738b01a9218
139154436a7794b
143a5904b9477c8
151980113c47792
hexc10104e173f4

212210121012212 has 24 divisors (see below), whose sum is σ = 393213316466880. Its totient is φ = 99863473297280.

The previous prime is 212210121012181. The next prime is 212210121012221.

212210121012212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118611137 + ... + 120386967.

It is an arithmetic number, because the mean of its divisors is an integer number (16383888186120).

Almost surely, 2212210121012212 is an apocalyptic number.

It is an amenable number.

212210121012212 is a deficient number, since it is larger than the sum of its proper divisors (181003195454668).

212210121012212 is a wasteful number, since it uses less digits than its factorization.

212210121012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533191 (or 3533189 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 212210121012212 in words is "two hundred twelve trillion, two hundred ten billion, one hundred twenty-one million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 1757339 1775831 3514678 3551662 7029356 7103324 29874763 30189127 59749526 60378254 119499052 120756508 3120737073709 6241474147418 12482948294836 53052530253053 106105060506106 212210121012212