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12220120201211 = 13940009246247
BaseRepresentation
bin1011000111010011011111…
…1011000111011111111011
31121021020021012001220121022
42301310313323013133323
53100203301232414321
641553502401533055
72400605653603166
oct261646773073773
947236235056538
1012220120201211
113991584303a6a
12145441164418b
136a8477281060
14303657d14add
15162d17955dab
hexb1d37ec77fb

12220120201211 has 4 divisors (see below), whose sum is σ = 13160129447472. Its totient is φ = 11280110954952.

The previous prime is 12220120201153. The next prime is 12220120201229. The reversal of 12220120201211 is 11210202102221.

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 12220120201211 - 238 = 11945242294267 is a prime.

It is a super-2 number, since 2×122201202012112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220120201211.

It is not an unprimeable number, because it can be changed into a prime (12220120201511) 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, 470004623111 + ... + 470004623136.

It is an arithmetic number, because the mean of its divisors is an integer number (3290032361868).

Almost surely, 212220120201211 is an apocalyptic number.

12220120201211 is a deficient number, since it is larger than the sum of its proper divisors (940009246261).

12220120201211 is an equidigital number, since it uses as much as digits as its factorization.

12220120201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940009246260.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12220120201211 its reverse (11210202102221), we get a palindrome (23430322303432).

The spelling of 12220120201211 in words is "twelve trillion, two hundred twenty billion, one hundred twenty million, two hundred one thousand, two hundred eleven".

Divisors: 1 13 940009246247 12220120201211