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12202011097 = 58572083321
BaseRepresentation
bin10110101110100101…
…11110100111011001
31011111101020101110221
423113102332213121
5144442203323342
65334443240041
7611243245243
oct132722764731
934441211427
1012202011097
1151a17985a1
122446519021
1311c5c74313
1483a7a5093
154b6375a67
hex2d74be9d9

12202011097 has 4 divisors (see below), whose sum is σ = 12204100276. Its totient is φ = 12199921920.

The previous prime is 12202011089. The next prime is 12202011121. The reversal of 12202011097 is 79011020221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79011020221 = 711287288603.

It can be written as a sum of positive squares in 2 ways, for example, as 4856835481 + 7345175616 = 69691^2 + 85704^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202011097 - 23 = 12202011089 is a prime.

It is a super-2 number, since 2×122020110972 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202011067) 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, 1035804 + ... + 1047517.

It is an arithmetic number, because the mean of its divisors is an integer number (3051025069).

Almost surely, 212202011097 is an apocalyptic number.

It is an amenable number.

12202011097 is a deficient number, since it is larger than the sum of its proper divisors (2089179).

12202011097 is an equidigital number, since it uses as much as digits as its factorization.

12202011097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089178.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 12202011097 in words is "twelve billion, two hundred two million, eleven thousand, ninety-seven".

Divisors: 1 5857 2083321 12202011097