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212122331212201 = 17233367145920223
BaseRepresentation
bin110000001110110010010100…
…001100110110100110101001
31000211001200210222110121210221
4300032302110030312212221
5210300403013242242301
62031051353110010041
762452222053431464
oct6016622414664651
91024050728417727
10212122331212201
1161652636a51523
121b95a88b646921
139149085b18917
143a54ac03c02db
15197cbc694eda1
hexc0ec943369a9

212122331212201 has 16 divisors (see below), whose sum is σ = 226178681923584. Its totient is φ = 198246046247424.

The previous prime is 212122331212139. The next prime is 212122331212213. The reversal of 212122331212201 is 102212133221212.

It is a cyclic number.

It is not a de Polignac number, because 212122331212201 - 27 = 212122331212073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212122331212241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71506425 + ... + 74413798.

It is an arithmetic number, because the mean of its divisors is an integer number (14136167620224).

Almost surely, 2212122331212201 is an apocalyptic number.

It is an amenable number.

212122331212201 is a deficient number, since it is larger than the sum of its proper divisors (14056350711383).

212122331212201 is a wasteful number, since it uses less digits than its factorization.

212122331212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145920840.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 212122331212201 its reverse (102212133221212), we get a palindrome (314334464433413).

The spelling of 212122331212201 in words is "two hundred twelve trillion, one hundred twenty-two billion, three hundred thirty-one million, two hundred twelve thousand, two hundred one".

Divisors: 1 17 233 367 3961 6239 85511 1453687 145920223 2480643791 33999411959 53552721841 577990003303 910396271297 12477784188953 212122331212201