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122010212120201 = 307683581884921
BaseRepresentation
bin11011101111011110110111…
…010110100011011010001001
3121000000001200110112100020122
4123233132313112203122021
5111443003403300321301
61111254415003033025
734461642540241346
oct3357366726433211
9530001613470218
10122010212120201
1135970270a40059
121182649120b775
13531068a5ba402
14221b47bcdb7cd
15e18b73e4181b
hex6ef7b75a3689

122010212120201 has 8 divisors (see below), whose sum is σ = 122586860287584. Its totient is φ = 121434727724640.

The previous prime is 122010212120183. The next prime is 122010212120207. The reversal of 122010212120201 is 102021212010221.

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 122010212120201 - 214 = 122010212103817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122010212120201.

It is not an unprimeable number, because it can be changed into a prime (122010212120207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290732780 + ... + 291152141.

It is an arithmetic number, because the mean of its divisors is an integer number (15323357535948).

Almost surely, 2122010212120201 is an apocalyptic number.

It is an amenable number.

122010212120201 is a deficient number, since it is larger than the sum of its proper divisors (576648167383).

122010212120201 is an equidigital number, since it uses as much as digits as its factorization.

122010212120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581885911.

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

Adding to 122010212120201 its reverse (102021212010221), we get a palindrome (224031424130422).

The spelling of 122010212120201 in words is "one hundred twenty-two trillion, ten billion, two hundred twelve million, one hundred twenty thousand, two hundred one".

Divisors: 1 307 683 209681 581884921 178638670747 397427401043 122010212120201