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122212021000211 = 302414041269171
BaseRepresentation
bin11011110010011010110100…
…000110010101100000010011
3121000201100120212112122121222
4123302122310012111200103
5112004310204334001321
61111531232151435255
734512345544356122
oct3362326406254023
9530640525478558
10122212021000211
1135a3891088060a
1211859612685b2b
13532670c5b848c
142227144327ab9
15e1e0360c53ab
hex6f26b4195813

122212021000211 has 4 divisors (see below), whose sum is σ = 122216062299624. Its totient is φ = 122207979700800.

The previous prime is 122212021000049. The next prime is 122212021000217. The reversal of 122212021000211 is 112000120212221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122212021000211 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 122212021000211.

It is not an unprimeable number, because it can be changed into a prime (122212021000217) 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, 2020604345 + ... + 2020664826.

It is an arithmetic number, because the mean of its divisors is an integer number (30554015574906).

Almost surely, 2122212021000211 is an apocalyptic number.

122212021000211 is a deficient number, since it is larger than the sum of its proper divisors (4041299413).

122212021000211 is an equidigital number, since it uses as much as digits as its factorization.

122212021000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041299412.

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

Adding to 122212021000211 its reverse (112000120212221), we get a palindrome (234212141212432).

The spelling of 122212021000211 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred eleven", and thus it is an aban number.

Divisors: 1 30241 4041269171 122212021000211