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12220120210101 = 34073373403367
BaseRepresentation
bin1011000111010011011111…
…1011001001101010110101
31121021020021012002100210120
42301310313323021222311
53100203301233210401
641553502402042153
72400605653641126
oct261646773115265
947236235070716
1012220120210101
11399158430a711
121454411649359
136a847728510b
14303657d1804d
15162d17958836
hexb1d37ec9ab5

12220120210101 has 4 divisors (see below), whose sum is σ = 16293493613472. Its totient is φ = 8146746806732.

The previous prime is 12220120210063. The next prime is 12220120210117. The reversal of 12220120210101 is 10101202102221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12220120210101 - 235 = 12185760471733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220120212101) 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, 2036686701681 + ... + 2036686701686.

It is an arithmetic number, because the mean of its divisors is an integer number (4073373403368).

Almost surely, 212220120210101 is an apocalyptic number.

It is an amenable number.

12220120210101 is a deficient number, since it is larger than the sum of its proper divisors (4073373403371).

12220120210101 is an equidigital number, since it uses as much as digits as its factorization.

12220120210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073373403370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12220120210101 its reverse (10101202102221), we get a palindrome (22321322312322).

The spelling of 12220120210101 in words is "twelve trillion, two hundred twenty billion, one hundred twenty million, two hundred ten thousand, one hundred one".

Divisors: 1 3 4073373403367 12220120210101