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1222030213211 = 7316740139907
BaseRepresentation
bin10001110010000110101…
…011010100000001011011
311022211021101102220012002
4101302012223110001123
5130010204213310321
62333220512311215
7154201022265623
oct21620653240133
94284241386162
101222030213211
11431295219375
12178a0754250b
138b310787a22
144320a2d1883
1521bc3cd620b
hex11c86ad405b

1222030213211 has 4 divisors (see below), whose sum is σ = 1238770353192. Its totient is φ = 1205290073232.

The previous prime is 1222030213193. The next prime is 1222030213219. The reversal of 1222030213211 is 1123120302221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222030213211 - 222 = 1222026018907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222030213219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8370069881 + ... + 8370070026.

It is an arithmetic number, because the mean of its divisors is an integer number (309692588298).

Almost surely, 21222030213211 is an apocalyptic number.

1222030213211 is a deficient number, since it is larger than the sum of its proper divisors (16740139981).

1222030213211 is an equidigital number, since it uses as much as digits as its factorization.

1222030213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16740139980.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1222030213211 its reverse (1123120302221), we get a palindrome (2345150515432).

The spelling of 1222030213211 in words is "one trillion, two hundred twenty-two billion, thirty million, two hundred thirteen thousand, two hundred eleven".

Divisors: 1 73 16740139907 1222030213211