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122521612006201 = 2411013501864197
BaseRepresentation
bin11011110110111011001001…
…001010010011001100111001
3121001210221200210122021012011
4123312323021022103030321
5112024343230133144301
61112325352421245521
734543615522452202
oct3366731112231471
9531727623567164
10122521612006201
113604813a933641
12118a9613b638a1
13534997a464255
1422381131665a9
15e271057a3a51
hex6f6ec9293339

122521612006201 has 8 divisors (see below), whose sum is σ = 123151451818824. Its totient is φ = 121892775924480.

The previous prime is 122521612006169. The next prime is 122521612006247. The reversal of 122521612006201 is 102600216125221.

It can be written as a sum of positive squares in 4 ways, for example, as 31288931509801 + 91232680496400 = 5593651^2 + 9551580^2 .

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 122521612006201 - 25 = 122521612006169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122521612006291) 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, 250687966 + ... + 251176231.

It is an arithmetic number, because the mean of its divisors is an integer number (15393931477353).

Almost surely, 2122521612006201 is an apocalyptic number.

It is an amenable number.

122521612006201 is a deficient number, since it is larger than the sum of its proper divisors (629839812623).

122521612006201 is a wasteful number, since it uses less digits than its factorization.

122521612006201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501865451.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 122521612006201 in words is "one hundred twenty-two trillion, five hundred twenty-one billion, six hundred twelve million, six thousand, two hundred one".

Divisors: 1 241 1013 244133 501864197 120949271477 508388431561 122521612006201