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1222012130311 = 71223514727733
BaseRepresentation
bin10001110010000101100…
…110010101010000000111
311022211020010102012010001
4101302011212111100013
5130010140101132221
62333215024542131
7154200412503040
oct21620546252007
94284203365101
101222012130311
11431285a98425
12178a01481947
138b309ac609b
1443207b458c7
1521bc2413391
hex11c85995407

1222012130311 has 16 divisors (see below), whose sum is σ = 1398049196544. Its totient is φ = 1046341449504.

The previous prime is 1222012130299. The next prime is 1222012130359. The reversal of 1222012130311 is 1130312102221.

It is a cyclic number.

It is not a de Polignac number, because 1222012130311 - 215 = 1222012097543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222012130411) by changing a digit.

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, 44049601 + ... + 44077333.

It is an arithmetic number, because the mean of its divisors is an integer number (87378074784).

Almost surely, 21222012130311 is an apocalyptic number.

1222012130311 is a deficient number, since it is larger than the sum of its proper divisors (176037066233).

1222012130311 is a wasteful number, since it uses less digits than its factorization.

1222012130311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34110.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1222012130311 its reverse (1130312102221), we get a palindrome (2352324232532).

The spelling of 1222012130311 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred thirty thousand, three hundred eleven".

Divisors: 1 7 1223 5147 8561 27733 36029 194131 6294781 33917459 44063467 142741751 237422213 999192257 174573161473 1222012130311