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30021222120000 = 26354318070221
BaseRepresentation
bin1101101001101110111000…
…10001111011101001000000
310221022000000120212011012120
412310313130101323221000
512413331430330320000
6143503320430524240
76215650604420166
oct664673421735100
9127260016764176
1030021222120000
119624a24264a01
12344a392666680
131399cb20846c7
1475b06babd236
15370dc2e9e6a0
hex1b4ddc47ba40

30021222120000 has 280 divisors, whose sum is σ = 102459022017792. Its totient is φ = 7747411200000.

The previous prime is 30021222119981. The next prime is 30021222120013. The reversal of 30021222120000 is 2122212003.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 315111 + ... + 7755110.

Almost surely, 230021222120000 is an apocalyptic number.

30021222120000 is a gapful number since it is divisible by the number (30) 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 30021222120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51229511008896).

30021222120000 is an abundant number, since it is smaller than the sum of its proper divisors (72437799897792).

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

30021222120000 is an equidigital number, since it uses as much as digits as its factorization.

30021222120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070287 (or 8070262 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30021222120000 its reverse (2122212003), we get a palindrome (30023344332003).

The spelling of 30021222120000 in words is "thirty trillion, twenty-one billion, two hundred twenty-two million, one hundred twenty thousand".