Search a number
-
+
2212212220000 = 25542329165833
BaseRepresentation
bin100000001100010010000…
…111111010000001100000
321211111002212120120220221
4200030102013322001200
5242221102312020000
64412135401212424
7315553452420016
oct40142207720140
97744085516827
102212212220000
11783215142692
122b88a9491114
131307c2990513
14791008328b6
153c82864261a
hex203121fa060

2212212220000 has 240 divisors, whose sum is σ = 5874861817440. Its totient is φ = 817220096000.

The previous prime is 2212212219967. The next prime is 2212212220021. The reversal of 2212212220000 is 222122122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13257084 + ... + 13422916.

It is an arithmetic number, because the mean of its divisors is an integer number (24478590906).

Almost surely, 22212212220000 is an apocalyptic number.

2212212220000 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 2212212220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937430908720).

2212212220000 is an abundant number, since it is smaller than the sum of its proper divisors (3662649597440).

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

2212212220000 is a wasteful number, since it uses less digits than its factorization.

2212212220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165915 (or 165892 counting only the distinct ones).

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

Adding to 2212212220000 its reverse (222122122), we get a palindrome (2212434342122).

It can be divided in two parts, 2212 and 212220000, that added together give a palindrome (212222212).

The spelling of 2212212220000 in words is "two trillion, two hundred twelve billion, two hundred twelve million, two hundred twenty thousand".