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212211020000 = 255474335251
BaseRepresentation
bin1100010110100011000…
…0110011000011100000
3202021202100110202212102
43011220300303003200
511434102010120000
6241253254345532
721221533623260
oct3055060630340
9667670422772
10212211020000
1181aa8652271
123516505b2a8
131701c0c8bb5
14a3b1b4d7a0
1557c04c93d5
hex3168c330e0

212211020000 has 240 divisors, whose sum is σ = 610545462912. Its totient is φ = 71064000000.

The previous prime is 212211019967. The next prime is 212211020011. The reversal of 212211020000 is 20112212.

It is a happy number.

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, 6002375 + ... + 6037625.

Almost surely, 2212211020000 is an apocalyptic number.

212211020000 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 212211020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305272731456).

212211020000 is an abundant number, since it is smaller than the sum of its proper divisors (398334442912).

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

212211020000 is an equidigital number, since it uses as much as digits as its factorization.

212211020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35331 (or 35308 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212211020000 its reverse (20112212), we get a palindrome (212231132212).

The spelling of 212211020000 in words is "two hundred twelve billion, two hundred eleven million, twenty thousand".