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12220201002101 = 20132960697669
BaseRepresentation
bin1011000111010011110010…
…1111010110010001110101
31121021020110211010000120212
42301310330233112101311
53100203432424031401
641553514405435205
72400610654443251
oct261647457262165
947236424100525
1012220201002101
113991615981964
12145443470bb05
136a848ac31b31
14303664949261
15162d1eab6dbb
hexb1d3cbd6475

12220201002101 has 4 divisors (see below), whose sum is σ = 12220261901100. Its totient is φ = 12220140103104.

The previous prime is 12220201002073. The next prime is 12220201002103. The reversal of 12220201002101 is 10120010202221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6853264279876 + 5366936722225 = 2617874^2 + 2316665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12220201002101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220201002103) 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, 30147506 + ... + 30550163.

It is an arithmetic number, because the mean of its divisors is an integer number (3055065475275).

Almost surely, 212220201002101 is an apocalyptic number.

It is an amenable number.

12220201002101 is a deficient number, since it is larger than the sum of its proper divisors (60898999).

12220201002101 is an equidigital number, since it uses as much as digits as its factorization.

12220201002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60898998.

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

Adding to 12220201002101 its reverse (10120010202221), we get a palindrome (22340211204322).

The spelling of 12220201002101 in words is "twelve trillion, two hundred twenty billion, two hundred one million, two thousand, one hundred one".

Divisors: 1 201329 60697669 12220201002101