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122120022001001 = 301940450487579
BaseRepresentation
bin11011110001000101001000…
…100010000000010101101001
3121000101120010022012021002212
4123301011020202000111221
5112001303301113013001
61111421055201534505
734502610662646413
oct3361051042002551
9530346108167085
10122120022001001
1135a028a0836862
1211843818344435
13531ab3a5ac53b
1422228d7b519b3
15e1b94e4d27bb
hex6f1148880569

122120022001001 has 4 divisors (see below), whose sum is σ = 122160472491600. Its totient is φ = 122079571510404.

The previous prime is 122120022000961. The next prime is 122120022001073. The reversal of 122120022001001 is 100100220021221.

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 122120022001001 - 238 = 121845144094057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122120022009001) 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, 20225240771 + ... + 20225246808.

It is an arithmetic number, because the mean of its divisors is an integer number (30540118122900).

Almost surely, 2122120022001001 is an apocalyptic number.

It is an amenable number.

122120022001001 is a deficient number, since it is larger than the sum of its proper divisors (40450490599).

122120022001001 is an equidigital number, since it uses as much as digits as its factorization.

122120022001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40450490598.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122120022001001 its reverse (100100220021221), we get a palindrome (222220242022222).

The spelling of 122120022001001 in words is "one hundred twenty-two trillion, one hundred twenty billion, twenty-two million, one thousand, one".

Divisors: 1 3019 40450487579 122120022001001