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2212220212000 = 25535322674603
BaseRepresentation
bin100000001100010010100…
…110011001001100100000
321211111010102121121212221
4200030102212121030200
5242221111333241000
64412140244400424
7315553610354221
oct40142246311440
97744112547787
102212220212000
11783219701147
122b88b00a6114
131307c452b106
1479101913248
153c8291c061a
hex20312999320

2212220212000 has 192 divisors, whose sum is σ = 5541626772864. Its totient is φ = 867620582400.

The previous prime is 2212220211989. The next prime is 2212220212001. The reversal of 2212220212000 is 2120222122.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2212220212001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480601699 + ... + 480606301.

It is an arithmetic number, because the mean of its divisors is an integer number (28862639442).

Almost surely, 22212220212000 is an apocalyptic number.

2212220212000 is a gapful number since it is divisible by the number (20) 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 2212220212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2770813386432).

2212220212000 is an abundant number, since it is smaller than the sum of its proper divisors (3329406560864).

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

2212220212000 is a wasteful number, since it uses less digits than its factorization.

2212220212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948 (or 6930 counting only the distinct ones).

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

Adding to 2212220212000 its reverse (2120222122), we get a palindrome (2214340434122).

The spelling of 2212220212000 in words is "two trillion, two hundred twelve billion, two hundred twenty million, two hundred twelve thousand".