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1010122111200 = 253523732513499
BaseRepresentation
bin11101011001011111111…
…10000011100011100000
310120120022010221221200110
432230233332003203200
5113022212230024300
62052013234251320
7132656524164216
oct16545776034340
93516263857613
101010122111200
1135a432663954
12143927a26b40
137433c36bb57
1436c668b4cb6
151b4201e5550
hexeb2ff838e0

1010122111200 has 288 divisors, whose sum is σ = 3378814992000. Its totient is φ = 261930240000.

The previous prime is 1010122111199. The next prime is 1010122111247. The reversal of 1010122111200 is 21112210101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288687051 + ... + 288690549.

It is an arithmetic number, because the mean of its divisors is an integer number (11731996500).

Almost surely, 21010122111200 is an apocalyptic number.

1010122111200 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 1010122111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1689407496000).

1010122111200 is an abundant number, since it is smaller than the sum of its proper divisors (2368692880800).

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

1010122111200 is a wasteful number, since it uses less digits than its factorization.

1010122111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810 (or 6797 counting only the distinct ones).

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

Adding to 1010122111200 its reverse (21112210101), we get a palindrome (1031234321301).

The spelling of 1010122111200 in words is "one trillion, ten billion, one hundred twenty-two million, one hundred eleven thousand, two hundred".