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1202212212001 = 6871174969031
BaseRepresentation
bin10001011111101001011…
…011101000110100100001
311020221010020101010100021
4101133221123220310201
5124144112311241001
62320142203553441
7152566640123503
oct21375133506441
94227106333307
101202212212001
114239454a7779
12174bb652b881
13894a2a039a8
144228a263d73
152141401aba1
hex117e96e8d21

1202212212001 has 4 divisors (see below), whose sum is σ = 1202387187904. Its totient is φ = 1202037236100.

The previous prime is 1202212211939. The next prime is 1202212212037. The reversal of 1202212212001 is 1002122122021.

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 1202212212001 - 217 = 1202212080929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202212216001) 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, 87477645 + ... + 87491386.

It is an arithmetic number, because the mean of its divisors is an integer number (300596796976).

Almost surely, 21202212212001 is an apocalyptic number.

It is an amenable number.

1202212212001 is a deficient number, since it is larger than the sum of its proper divisors (174975903).

1202212212001 is an equidigital number, since it uses as much as digits as its factorization.

1202212212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174975902.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202212212001 its reverse (1002122122021), we get a palindrome (2204334334022).

The spelling of 1202212212001 in words is "one trillion, two hundred two billion, two hundred twelve million, two hundred twelve thousand, one".

Divisors: 1 6871 174969031 1202212212001