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122122201012001 = 472598344702383
BaseRepresentation
bin11011110001000111001010…
…011010010001011100100001
3121000101202202011101111020222
4123301013022122101130201
5112001322231424341001
61111422055321412425
734503015662150231
oct3361071232213441
9530352664344228
10122122201012001
1135a0380982aaa3
121184412603a115
13531b0c6b72568
142222a632c7cc1
15e1ba2a95561b
hex6f11ca691721

122122201012001 has 4 divisors (see below), whose sum is σ = 124720545714432. Its totient is φ = 119523856309572.

The previous prime is 122122201011997. The next prime is 122122201012033. The reversal of 122122201012001 is 100210102221221.

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 122122201012001 - 22 = 122122201011997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122122201042001) 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, 1299172351145 + ... + 1299172351238.

It is an arithmetic number, because the mean of its divisors is an integer number (31180136428608).

Almost surely, 2122122201012001 is an apocalyptic number.

It is an amenable number.

122122201012001 is a deficient number, since it is larger than the sum of its proper divisors (2598344702431).

122122201012001 is an equidigital number, since it uses as much as digits as its factorization.

122122201012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598344702430.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122122201012001 its reverse (100210102221221), we get a palindrome (222332303233222).

The spelling of 122122201012001 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred one million, twelve thousand, one".

Divisors: 1 47 2598344702383 122122201012001