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12220001010222 = 238324538154639
BaseRepresentation
bin1011000111010011000011…
…0100011100001000101110
31121021012221212210101022020
42301310300310130020232
53100203030224311342
641553442503131010
72400603005521455
oct261646064341056
947235855711266
1012220001010222
113991522aa5015
121454399743a66
136a845867b445
14303646169b9c
15162d0c2600ec
hexb1d30d1c22e

12220001010222 has 16 divisors (see below), whose sum is σ = 24734459877120. Its totient is φ = 4024257360632.

The previous prime is 12220001010209. The next prime is 12220001010247. The reversal of 12220001010222 is 22201010002221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12269076822 + ... + 12269077817.

It is an arithmetic number, because the mean of its divisors is an integer number (1545903742320).

Almost surely, 212220001010222 is an apocalyptic number.

12220001010222 is an abundant number, since it is smaller than the sum of its proper divisors (12514458866898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220001010222 is a wasteful number, since it uses less digits than its factorization.

12220001010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24538154727.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220001010222 its reverse (22201010002221), we get a palindrome (34421011012443).

The spelling of 12220001010222 in words is "twelve trillion, two hundred twenty billion, one million, ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 83 166 249 498 24538154639 49076309278 73614463917 147228927834 2036666835037 4073333670074 6110000505111 12220001010222