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210012011001012 = 2231123475334338089
BaseRepresentation
bin101111110000000100111011…
…010100000111010010110100
31000112120221201010200101022010
4233300010323110013102310
5210011314044304013022
62022354104100004220
762143603260544563
oct5760047324072264
91015527633611263
10210012011001012
1160a09659232190
121b679899690670
13902508093129c
1439c08c7dd5bda
151942d636c750c
hexbf013b5074b4

210012011001012 has 384 divisors, whose sum is σ = 580676604641280. Its totient is φ = 58429513359360.

The previous prime is 210012011000983. The next prime is 210012011001019. The reversal of 210012011001012 is 210100110210012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012011001019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25962662664 + ... + 25962670752.

It is an arithmetic number, because the mean of its divisors is an integer number (1512178657920).

Almost surely, 2210012011001012 is an apocalyptic number.

210012011001012 is a gapful number since it is divisible by the number (22) 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 210012011001012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290338302320640).

210012011001012 is an abundant number, since it is smaller than the sum of its proper divisors (370664593640268).

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

210012011001012 is a wasteful number, since it uses less digits than its factorization.

210012011001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11663 (or 11661 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210012011001012 its reverse (210100110210012), we get a palindrome (420112121211024).

The spelling of 210012011001012 in words is "two hundred ten trillion, twelve billion, eleven million, one thousand, twelve".