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212320212000 = 25353131971633
BaseRepresentation
bin1100010110111101000…
…1010101010000100000
3202022000221221022010120
43011233101111100200
511434312433241000
6241312155000240
721224331011301
oct3055721252040
9668027838116
10212320212000
1182054251896
1235195739080
131703890a550
14a3c24547a8
1557c9d976a0
hex316f455420

212320212000 has 384 divisors, whose sum is σ = 788501226240. Its totient is φ = 49512038400.

The previous prime is 212320211963. The next prime is 212320212031. The reversal of 212320212000 is 212023212.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2928184 + ... + 2999816.

It is an arithmetic number, because the mean of its divisors is an integer number (2053388610).

Almost surely, 2212320212000 is an apocalyptic number.

212320212000 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 212320212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394250613120).

212320212000 is an abundant number, since it is smaller than the sum of its proper divisors (576181014240).

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

212320212000 is a wasteful number, since it uses less digits than its factorization.

212320212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71693 (or 71675 counting only the distinct ones).

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

Adding to 212320212000 its reverse (212023212), we get a palindrome (212532235212).

The spelling of 212320212000 in words is "two hundred twelve billion, three hundred twenty million, two hundred twelve thousand".