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212211021221002 = 2393126991989471
BaseRepresentation
bin110000010000000100111010…
…100010011000110010001010
31000211101011201221100212211201
4300100010322202120302022
5210303331132413033002
62031200221452414414
762461511635162636
oct6020047242306212
91024334657325751
10212211021221002
1161687209170861
121b973b0177740a
13915454b41537b
143a590d5319dc6
151980167cb6087
hexc1013a898c8a

212211021221002 has 8 divisors (see below), whose sum is σ = 318397507811712. Its totient is φ = 106078518617100.

The previous prime is 212211021220997. The next prime is 212211021221021. The reversal of 212211021221002 is 200122120112212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2122110212210022 (a number of 29 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 13495986874 + ... + 13496002597.

It is an arithmetic number, because the mean of its divisors is an integer number (39799688476464).

Almost surely, 2212211021221002 is an apocalyptic number.

212211021221002 is a deficient number, since it is larger than the sum of its proper divisors (106186486590710).

212211021221002 is a wasteful number, since it uses less digits than its factorization.

212211021221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26991993404.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212211021221002 its reverse (200122120112212), we get a palindrome (412333141333214).

The spelling of 212211021221002 in words is "two hundred twelve trillion, two hundred eleven billion, twenty-one million, two hundred twenty-one thousand, two".

Divisors: 1 2 3931 7862 26991989471 53983978942 106105510610501 212211021221002