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12212010222000 = 243538958738959
BaseRepresentation
bin1011000110110101010010…
…0010000000000110110000
31121020110022222201021120220
42301231110202000012300
53100040144104101000
641550041532533040
72400200666116011
oct261552442000660
947213288637526
1012212010222000
1139890a2449606
121452929621180
136a77840121a4
143030c8bbd008
151629e09841a0
hexb1b548801b0

12212010222000 has 320 divisors, whose sum is σ = 39882747340800. Its totient is φ = 3214377830400.

The previous prime is 12212010221977. The next prime is 12212010222091. The reversal of 12212010222000 is 22201021221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 313438521 + ... + 313477479.

It is an arithmetic number, because the mean of its divisors is an integer number (124633585440).

Almost surely, 212212010222000 is an apocalyptic number.

12212010222000 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 12212010222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19941373670400).

12212010222000 is an abundant number, since it is smaller than the sum of its proper divisors (27670737118800).

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

12212010222000 is a wasteful number, since it uses less digits than its factorization.

12212010222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39661 (or 39645 counting only the distinct ones).

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

Adding to 12212010222000 its reverse (22201021221), we get a palindrome (12234211243221).

The spelling of 12212010222000 in words is "twelve trillion, two hundred twelve billion, ten million, two hundred twenty-two thousand".