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122200244121 = 3131310942097
BaseRepresentation
bin111000111001110110…
…0111011111110011001
3102200102100022121000110
41301303230323332121
54000231230302441
6132045451154533
711554143636204
oct1616354737631
9380370277013
10122200244121
114790894109a
121b824745a49
13b6a5ca2b77
145cb364893b
1532a321eb16
hex1c73b3bf99

122200244121 has 8 divisors (see below), whose sum is σ = 164177427744. Its totient is φ = 80844944960.

The previous prime is 122200244077. The next prime is 122200244141. The reversal of 122200244121 is 121442002221.

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

It is a cyclic number.

It is not a de Polignac number, because 122200244121 - 29 = 122200243609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122200244141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155470656 + ... + 155471441.

It is an arithmetic number, because the mean of its divisors is an integer number (20522178468).

Almost surely, 2122200244121 is an apocalyptic number.

It is an amenable number.

122200244121 is a deficient number, since it is larger than the sum of its proper divisors (41977183623).

122200244121 is a wasteful number, since it uses less digits than its factorization.

122200244121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310942231.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122200244121 its reverse (121442002221), we get a palindrome (243642246342).

The spelling of 122200244121 in words is "one hundred twenty-two billion, two hundred million, two hundred forty-four thousand, one hundred twenty-one".

Divisors: 1 3 131 393 310942097 932826291 40733414707 122200244121