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1000112212000 = 25531129783787
BaseRepresentation
bin11101000110110110101…
…01010100100000100000
310112121110112120101102001
432203123111110200200
5112341212211241000
62043240055333344
7132153466352506
oct16433325244040
93477415511361
101000112212000
113561662a8490
121419b3681254
13734055c6985
14365972d6676
151b03652e46a
hexe8db554820

1000112212000 has 192 divisors, whose sum is σ = 2773104647040. Its totient is φ = 351136128000.

The previous prime is 1000112211997. The next prime is 1000112212007. The reversal of 1000112212000 is 2122110001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1000112212007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 884107 + ... + 1667893.

It is an arithmetic number, because the mean of its divisors is an integer number (14443253370).

Almost surely, 21000112212000 is an apocalyptic number.

1000112212000 is a gapful number since it is divisible by the number (10) 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 1000112212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386552323520).

1000112212000 is an abundant number, since it is smaller than the sum of its proper divisors (1772992435040).

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

1000112212000 is a wasteful number, since it uses less digits than its factorization.

1000112212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783852 (or 783834 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000112212000 its reverse (2122110001), we get a palindrome (1002234322001).

The spelling of 1000112212000 in words is "one trillion, one hundred twelve million, two hundred twelve thousand".