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1222201002102 = 231317012218207
BaseRepresentation
bin10001110010010000110…
…110110100100001110110
311022211201021210212111120
4101302100312310201312
5130011031424031402
62333245453044410
7154205165051463
oct21622066644166
94284637725446
101222201002102
1143137266a613
12178a54786706
138b339c85142
1443224c6c66a
1521bd3cc03bc
hex11c90db4876

1222201002102 has 32 divisors (see below), whose sum is σ = 2466576313344. Its totient is φ = 403713492000.

The previous prime is 1222201002097. The next prime is 1222201002103. The reversal of 1222201002102 is 2012001022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222201002103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 558118 + ... + 1660089.

It is an arithmetic number, because the mean of its divisors is an integer number (77080509792).

Almost surely, 21222201002102 is an apocalyptic number.

1222201002102 is an abundant number, since it is smaller than the sum of its proper divisors (1244375311242).

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

1222201002102 is a wasteful number, since it uses less digits than its factorization.

1222201002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219044.

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

Adding to 1222201002102 its reverse (2012001022221), we get a palindrome (3234202024323).

The spelling of 1222201002102 in words is "one trillion, two hundred twenty-two billion, two hundred one million, two thousand, one hundred two".

Divisors: 1 2 3 6 131 262 393 701 786 1402 2103 4206 91831 183662 275493 550986 2218207 4436414 6654621 13309242 290585117 581170234 871755351 1554963107 1743510702 3109926214 4664889321 9329778642 203700167017 407400334034 611100501051 1222201002102