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1202122120103 = 2221541252643
BaseRepresentation
bin10001011111100100000…
…011111101101110100111
311020220212221211222111022
4101133210003331232213
5124143421230320403
62320125225001355
7152564464266062
oct21374403755647
94226787758438
101202122120103
114238a9663363
12174b9032325b
138948a14bc88
144227c2d18d9
152140b171d38
hex117e40fdba7

1202122120103 has 4 divisors (see below), whose sum is σ = 1202663374968. Its totient is φ = 1201580865240.

The previous prime is 1202122120097. The next prime is 1202122120141. The reversal of 1202122120103 is 3010212212021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1202122120103 - 224 = 1202105342887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202122120153) 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, 270624101 + ... + 270628542.

It is an arithmetic number, because the mean of its divisors is an integer number (300665843742).

Almost surely, 21202122120103 is an apocalyptic number.

1202122120103 is a deficient number, since it is larger than the sum of its proper divisors (541254865).

1202122120103 is an equidigital number, since it uses as much as digits as its factorization.

1202122120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541254864.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1202122120103 its reverse (3010212212021), we get a palindrome (4212334332124).

The spelling of 1202122120103 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred three".

Divisors: 1 2221 541252643 1202122120103