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2122012002000 = 243531161601877
BaseRepresentation
bin11110111000010001110…
…001011000011011010000
321111212021122221202100010
4132320101301120123100
5234231340033031000
64302501105354520
7306211302260352
oct36702161303320
97455248852303
102122012002000
11748a384aa880
122a3315638a40
13125149538967
14749c50d70d2
153a2e9916d50
hex1ee11c586d0

2122012002000 has 640 divisors, whose sum is σ = 7606944124416. Its totient is φ = 504576000000.

The previous prime is 2122012001999. The next prime is 2122012002001. The reversal of 2122012002000 is 2002102212.

It is an interprime number because it is at equal distance from previous prime (2122012001999) and next prime (2122012002001).

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 (2122012002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2419625562 + ... + 2419626438.

Almost surely, 22122012002000 is an apocalyptic number.

2122012002000 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 2122012002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3803472062208).

2122012002000 is an abundant number, since it is smaller than the sum of its proper divisors (5484932122416).

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

2122012002000 is a wasteful number, since it uses less digits than its factorization.

2122012002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2122012002000 its reverse (2002102212), we get a palindrome (2124014104212).

The spelling of 2122012002000 in words is "two trillion, one hundred twenty-two billion, twelve million, two thousand".