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210012012000 = 2532537853977
BaseRepresentation
bin1100001110010110110…
…0001111110111100000
3202002002002122120222200
43003211230033313200
511420101033341000
6240251142133200
721113202435240
oct3034554176740
9662062576880
10210012012000
118107a33aa8a
1234850721200
1316a5b653c2b
14a243a8db20
1556e2406500
hex30e5b0fde0

210012012000 has 576 divisors, whose sum is σ = 853680207744. Its totient is φ = 47897395200.

The previous prime is 210012011999. The next prime is 210012012011. The reversal of 210012012000 is 210210012.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 214955512 + ... + 214956488.

It is an arithmetic number, because the mean of its divisors is an integer number (1482083694).

Almost surely, 2210012012000 is an apocalyptic number.

210012012000 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 210012012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426840103872).

210012012000 is an abundant number, since it is smaller than the sum of its proper divisors (643668195744).

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

210012012000 is a wasteful number, since it uses less digits than its factorization.

210012012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1847 counting only the distinct ones).

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

Adding to 210012012000 its reverse (210210012), we get a palindrome (210222222012).

The spelling of 210012012000 in words is "two hundred ten billion, twelve million, twelve thousand".