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1222212010010 = 251011210110901
BaseRepresentation
bin10001110010010001100…
…000110100000000011010
311022211202001112010111212
4101302101200310000122
5130011042233310020
62333250525023122
7154205360446505
oct21622140640032
94284661463455
101222212010010
114313788a8a62
12178a583b4aa2
138b33c33a6b4
14432264d613c
1521bd4c46cc5
hex11c9183401a

1222212010010 has 16 divisors (see below), whose sum is σ = 2221763616072. Its totient is φ = 484044360000.

The previous prime is 1222212009973. The next prime is 1222212010013. The reversal of 1222212010010 is 100102122221.

It can be written as a sum of positive squares in 4 ways, for example, as 1140980739889 + 81231270121 = 1068167^2 + 285011^2 .

It is not an unprimeable number, because it can be changed into a prime (1222212010013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605054441 + ... + 605056460.

Almost surely, 21222212010010 is an apocalyptic number.

1222212010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222212010010 is a deficient number, since it is larger than the sum of its proper divisors (999551606062).

1222212010010 is a wasteful number, since it uses less digits than its factorization.

1222212010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210111009.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222212010010 its reverse (100102122221), we get a palindrome (1322314132231).

The spelling of 1222212010010 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, ten thousand, ten".

Divisors: 1 2 5 10 101 202 505 1010 1210110901 2420221802 6050554505 12101109010 122221201001 244442402002 611106005005 1222212010010