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12102222020200 = 23521379131449773
BaseRepresentation
bin1011000000011100010010…
…1001001111111001101000
31120211221221122211202201121
42300013010221033321220
53041240322314121300
641423403430425024
72356233225602014
oct260070451177150
946757848752647
1012102222020200
11394658390a634
1214355a9802174
1369a308670780
142dba71bad544
1515ec1727681a
hexb01c4a4fe68

12102222020200 has 192 divisors, whose sum is σ = 30919983494400. Its totient is φ = 4378260556800.

The previous prime is 12102222020197. The next prime is 12102222020237. The reversal of 12102222020200 is 202022220121.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26682514 + ... + 27132286.

It is an arithmetic number, because the mean of its divisors is an integer number (161041580700).

Almost surely, 212102222020200 is an apocalyptic number.

12102222020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102222020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15459991747200).

12102222020200 is an abundant number, since it is smaller than the sum of its proper divisors (18817761474200).

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

12102222020200 is a wasteful number, since it uses less digits than its factorization.

12102222020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450012 (or 450003 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12102222020200 its reverse (202022220121), we get a palindrome (12304244240321).

The spelling of 12102222020200 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, twenty thousand, two hundred".