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30220212000 = 25353111791279
BaseRepresentation
bin11100001001010000…
…111101011100100000
32220000002122211110010
4130021100331130200
5443342333241000
621514420004520
72116612364226
oct341120753440
986002584403
1030220212000
11118a8581620
125a34830740
132b07ba8164
1416697acb16
15bbd126d50
hex70943d720

30220212000 has 384 divisors, whose sum is σ = 108689817600. Its totient is φ = 7279488000.

The previous prime is 30220211977. The next prime is 30220212007. The reversal of 30220212000 is 21202203.

It is a super-2 number, since 2×302202120002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (30220212007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23627361 + ... + 23628639.

It is an arithmetic number, because the mean of its divisors is an integer number (283046400).

Almost surely, 230220212000 is an apocalyptic number.

30220212000 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 30220212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54344908800).

30220212000 is an abundant number, since it is smaller than the sum of its proper divisors (78469605600).

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

30220212000 is a wasteful number, since it uses less digits than its factorization.

30220212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 30220212000 its reverse (21202203), we get a palindrome (30241414203).

The spelling of 30220212000 in words is "thirty billion, two hundred twenty million, two hundred twelve thousand".