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12220331321233 = 77389947283741
BaseRepresentation
bin1011000111010100010010…
…0000011110011110010001
31121021020210220022220211101
42301311010200132132101
53100204214304234413
641553535342544401
72400614126233360
oct261650440363621
947236726286741
1012220331321233
1139916824a1622
121454470298101
136a84abc2c949
14303677d8d7d7
15162d2b259edd
hexb1d4481e791

12220331321233 has 32 divisors (see below), whose sum is σ = 14331649524480. Its totient is φ = 10204180208640.

The previous prime is 12220331321221. The next prime is 12220331321257. The reversal of 12220331321233 is 33212313302221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12220331321233 - 233 = 12211741386641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220331324233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42926743 + ... + 43210483.

It is an arithmetic number, because the mean of its divisors is an integer number (447864047640).

Almost surely, 212220331321233 is an apocalyptic number.

It is an amenable number.

12220331321233 is a deficient number, since it is larger than the sum of its proper divisors (2111318203247).

12220331321233 is an equidigital number, since it uses as much as digits as its factorization.

12220331321233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284857.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12220331321233 its reverse (33212313302221), we get a palindrome (45432644623454).

The spelling of 12220331321233 in words is "twelve trillion, two hundred twenty billion, three hundred thirty-one million, three hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 7 73 89 511 623 947 6497 6629 45479 69131 84283 283741 483917 589981 1986187 6152659 20713093 25252949 43068613 144991651 176770643 268702727 1843465277 1880919089 12904256939 19615299071 23914542703 137307093497 167401798921 1745761617319 12220331321233