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212102010000 = 2433541097207
BaseRepresentation
bin1100010110001001000…
…0111101010010010000
3202021110202100111021000
43011202100331102100
511433341103310000
6241234402102000
721216041223666
oct3054220752220
9667422314230
10212102010000
1181a52067461
123513464a900
131700264c33a
14a3a1494c36
1557b5b45000
hex316243d490

212102010000 has 400 divisors, whose sum is σ = 767856707200. Its totient is φ = 56033856000.

The previous prime is 212102009941. The next prime is 212102010007. The reversal of 212102010000 is 10201212.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (212102010007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 29426397 + ... + 29433603.

It is an arithmetic number, because the mean of its divisors is an integer number (1919641768).

Almost surely, 2212102010000 is an apocalyptic number.

212102010000 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 212102010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383928353600).

212102010000 is an abundant number, since it is smaller than the sum of its proper divisors (555754697200).

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

212102010000 is a wasteful number, since it uses less digits than its factorization.

212102010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353 (or 7326 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 212102010000 its reverse (10201212), we get a palindrome (212112211212).

The spelling of 212102010000 in words is "two hundred twelve billion, one hundred two million, ten thousand".