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12221222021202 = 232036870336867
BaseRepresentation
bin1011000111010111100110…
…0110001110100001010010
31121021100002222100011111010
42301311321212032201102
53100213030314134302
641554204001431350
72400645163116315
oct261657146164122
947240088304433
1012221222021202
113991a9a2516a7
12145467a63b556
136a85c161b24c
143037203a897c
15162d7e54b16c
hexb1d7998e852

12221222021202 has 8 divisors (see below), whose sum is σ = 24442444042416. Its totient is φ = 4073740673732.

The previous prime is 12221222021191. The next prime is 12221222021219. The reversal of 12221222021202 is 20212022212221.

12221222021202 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.

12221222021202 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018435168428 + ... + 1018435168439.

It is an arithmetic number, because the mean of its divisors is an integer number (3055305505302).

Almost surely, 212221222021202 is an apocalyptic number.

12221222021202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12221222021202 is a wasteful number, since it uses less digits than its factorization.

12221222021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036870336872.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12221222021202 its reverse (20212022212221), we get a palindrome (32433244233423).

The spelling of 12221222021202 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 2036870336867 4073740673734 6110611010601 12221222021202