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1223300220121 = 7233750030791
BaseRepresentation
bin10001110011010010011…
…000000000010011011001
311022221112220011221011001
4101303102120000103121
5130020304324020441
62333550521105001
7154244343206650
oct21632230002331
94287486157131
101223300220121
114318870a0361
12179100928161
138b483920bc5
14432cac46197
1521c4a54e731
hex11cd26004d9

1223300220121 has 8 divisors (see below), whose sum is σ = 1404057642624. Its totient is φ = 1044042859680.

The previous prime is 1223300220073. The next prime is 1223300220133. The reversal of 1223300220121 is 1210220033221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223300220121 - 27 = 1223300219993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223300220221) 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, 375013765 + ... + 375017026.

It is an arithmetic number, because the mean of its divisors is an integer number (175507205328).

Almost surely, 21223300220121 is an apocalyptic number.

It is an amenable number.

1223300220121 is a deficient number, since it is larger than the sum of its proper divisors (180757422503).

1223300220121 is an equidigital number, since it uses as much as digits as its factorization.

1223300220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750031031.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1223300220121 its reverse (1210220033221), we get a palindrome (2433520253342).

The spelling of 1223300220121 in words is "one trillion, two hundred twenty-three billion, three hundred million, two hundred twenty thousand, one hundred twenty-one".

Divisors: 1 7 233 1631 750030791 5250215537 174757174303 1223300220121