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BaseRepresentation
bin111111001101110…
…1111000110000010
312110211102010101001
41332123233012002
513321011400002
6550252402214
7103364621365
oct17633570602
95424363331
102121200002
119993a8a59
124b247636a
1327a60153c
14161a080dc
15c6353a87
hex7e6ef182

2121200002 has 8 divisors (see below), whose sum is σ = 3182007312. Its totient is φ = 1060530900.

The previous prime is 2121199999. The next prime is 2121200021. The reversal of 2121200002 is 2000021212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22977 + ... + 69067.

It is an arithmetic number, because the mean of its divisors is an integer number (397750914).

Almost surely, 22121200002 is an apocalyptic number.

2121200002 is a deficient number, since it is larger than the sum of its proper divisors (1060807310).

2121200002 is a wasteful number, since it uses less digits than its factorization.

2121200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69104.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2121200002 is about 46056.4870783693. The cubic root of 2121200002 is about 1284.8739957296.

Adding to 2121200002 its reverse (2000021212), we get a palindrome (4121221214).

The spelling of 2121200002 in words is "two billion, one hundred twenty-one million, two hundred thousand, two".