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120001002220000 = 2554112269337547
BaseRepresentation
bin11011010010001111101001…
…000111000010100111100000
3120201212222120011122002022201
4123102033221013002213200
5111212044023032020000
61103115411021542544
734163533463002306
oct3322175107024740
9521788504562281
10120001002220000
1135266159373a00
1211560bb8a14a54
1351c6079c63465
14218c1181d8276
15dd177c62496a
hex6d23e91c29e0

120001002220000 has 720 divisors, whose sum is σ = 327268531109520. Its totient is φ = 43266263040000.

The previous prime is 120001002219991. The next prime is 120001002220031. The reversal of 120001002220000 is 22200100021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 219380259727 + ... + 219380260273.

It is an arithmetic number, because the mean of its divisors is an integer number (454539626541).

Almost surely, 2120001002220000 is an apocalyptic number.

120001002220000 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 120001002220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163634265554760).

120001002220000 is an abundant number, since it is smaller than the sum of its proper divisors (207267528889520).

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

120001002220000 is a wasteful number, since it uses less digits than its factorization.

120001002220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120001002220000 its reverse (22200100021), we get a palindrome (120023202320021).

The spelling of 120001002220000 in words is "one hundred twenty trillion, one billion, two million, two hundred twenty thousand".