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1222021102002 = 231973557318523
BaseRepresentation
bin10001110010000110001…
…000100011100110110010
311022211020202021222221220
4101302012020203212302
5130010144400231002
62333215545125510
7154200551660421
oct21620610434662
94284222258856
101222021102002
11431290065a48
12178a04489896
138b30b91788c
1443208ddd2b8
1521bc30d67bc
hex11c862239b2

1222021102002 has 32 divisors (see below), whose sum is σ = 2445851757888. Its totient is φ = 407038879296.

The previous prime is 1222021101967. The next prime is 1222021102037. The reversal of 1222021102002 is 2002011202221.

It is an interprime number because it is at equal distance from previous prime (1222021101967) and next prime (1222021102037).

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, 65963913 + ... + 65982435.

It is an arithmetic number, because the mean of its divisors is an integer number (76432867434).

Almost surely, 21222021102002 is an apocalyptic number.

1222021102002 is an abundant number, since it is smaller than the sum of its proper divisors (1223830655886).

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

1222021102002 is a wasteful number, since it uses less digits than its factorization.

1222021102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26074.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1222021102002 its reverse (2002011202221), we get a palindrome (3224032304223).

The spelling of 1222021102002 in words is "one trillion, two hundred twenty-two billion, twenty-one million, one hundred two thousand, two".

Divisors: 1 2 3 6 1973 3946 5573 5919 11146 11838 16719 18523 33438 37046 55569 111138 10995529 21991058 32986587 36545879 65973174 73091758 103228679 109637637 206457358 219275274 309686037 619372074 203670183667 407340367334 611010551001 1222021102002