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BaseRepresentation
bin11011110010011010110100…
…000111001001100000010001
3121000201100120212221110210111
4123302122310013021200101
5112004310204412310301
61111531232200201321
734512345546234103
oct3362326407114021
9530640525843714
10122212021213201
1135a38910a06637
1211859612769241
13532670c6613ca
142227144381573
15e1e036118551
hex6f26b41c9811

122212021213201 has 2 divisors, whose sum is σ = 122212021213202. Its totient is φ = 122212021213200.

The previous prime is 122212021213097. The next prime is 122212021213211. The reversal of 122212021213201 is 102312120212221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121965187126225 + 246834086976 = 11043785^2 + 496824^2 .

It is a cyclic number.

It is not a de Polignac number, because 122212021213201 - 229 = 122211484342289 is a prime.

It is not a weakly prime, because it can be changed into another prime (122212021213211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106010606600 + 61106010606601.

It is an arithmetic number, because the mean of its divisors is an integer number (61106010606601).

Almost surely, 2122212021213201 is an apocalyptic number.

It is an amenable number.

122212021213201 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212021213201 is an equidigital number, since it uses as much as digits as its factorization.

122212021213201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 122212021213201 its reverse (102312120212221), we get a palindrome (224524141425422).

The spelling of 122212021213201 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred thirteen thousand, two hundred one".