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212211221001022 = 21374996691231967
BaseRepresentation
bin110000010000000101000110…
…011100011111001100111110
31000211101012020212021202111201
4300100011012130133030332
5210303332040034013042
62031200253350410114
762461516612242655
oct6020050634371476
91024335225252451
10212211221001022
1161687300a13511
121b973b5866093a
1391545809234b9
143a59113a8219c
15198017a5ca1b7
hexc1014671f33e

212211221001022 has 32 divisors (see below), whose sum is σ = 321332280192000. Its totient is φ = 105103868829120.

The previous prime is 212211221001019. The next prime is 212211221001023. The reversal of 212211221001022 is 220100122112212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211221001023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914717683 + ... + 914949649.

It is an arithmetic number, because the mean of its divisors is an integer number (10041633756000).

Almost surely, 2212211221001022 is an apocalyptic number.

212211221001022 is a deficient number, since it is larger than the sum of its proper divisors (109121059190978).

212211221001022 is a wasteful number, since it uses less digits than its factorization.

212211221001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239296.

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

Adding to 212211221001022 its reverse (220100122112212), we get a palindrome (432311343113234).

The spelling of 212211221001022 in words is "two hundred twelve trillion, two hundred eleven billion, two hundred twenty-one million, one thousand, twenty-two".

Divisors: 1 2 137 274 499 998 6691 13382 68363 136726 231967 463934 916667 1833334 3338809 6677618 31779479 63558958 115751533 231503066 457416833 914833666 1552091197 3104182394 15857960021 31715920042 212636493989 425272987978 774493507303 1548987014606 106105610500511 212211221001022