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2012222001001 = 2387487913087
BaseRepresentation
bin11101010010000001110…
…001110000111101101001
321010100220012200211102211
4131102001301300331221
5230432012313013001
64140222500525121
7265243510541032
oct35220161607551
97110805624384
102012222001001
11706418952063
12285b950b07a1
131179a06b7324
146d56bb79a89
1537520ea1351
hex1d481c70f69

2012222001001 has 4 divisors (see below), whose sum is σ = 2099709914112. Its totient is φ = 1924734087892.

The previous prime is 2012222000981. The next prime is 2012222001077. The reversal of 2012222001001 is 1001002222102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012222001001 - 215 = 2012221968233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012222001301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43743956521 + ... + 43743956566.

It is an arithmetic number, because the mean of its divisors is an integer number (524927478528).

Almost surely, 22012222001001 is an apocalyptic number.

It is an amenable number.

2012222001001 is a deficient number, since it is larger than the sum of its proper divisors (87487913111).

2012222001001 is an equidigital number, since it uses as much as digits as its factorization.

2012222001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87487913110.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2012222001001 its reverse (1001002222102), we get a palindrome (3013224223103).

The spelling of 2012222001001 in words is "two trillion, twelve billion, two hundred twenty-two million, one thousand, one".

Divisors: 1 23 87487913087 2012222001001