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12220233223211 = 132857573289571
BaseRepresentation
bin1011000111010011111010…
…1010010000110000101011
31121021020120001202000122022
42301310332222100300223
53100204014201120321
641553521520215055
72400611525352326
oct261647652206053
947236501660568
1012220233223211
11399163208a082
12145444346a48b
136a8494803a90
14303668d357bd
15162d2282ddab
hexb1d3ea90c2b

12220233223211 has 8 divisors (see below), whose sum is σ = 13160301218064. Its totient is φ = 11280172379040.

The previous prime is 12220233223199. The next prime is 12220233223267. The reversal of 12220233223211 is 11232233202221.

12220233223211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12220233223211 - 26 = 12220233223147 is a prime.

It is a super-2 number, since 2×122202332232112 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12220233220211) 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, 2070056 + ... + 5359626.

It is an arithmetic number, because the mean of its divisors is an integer number (1645037652258).

Almost surely, 212220233223211 is an apocalyptic number.

12220233223211 is a deficient number, since it is larger than the sum of its proper divisors (940067994853).

12220233223211 is a wasteful number, since it uses less digits than its factorization.

12220233223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575341.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12220233223211 its reverse (11232233202221), we get a palindrome (23452466425432).

The spelling of 12220233223211 in words is "twelve trillion, two hundred twenty billion, two hundred thirty-three million, two hundred twenty-three thousand, two hundred eleven".

Divisors: 1 13 285757 3289571 3714841 42764423 940017940247 12220233223211