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12002210021 = 671699105437
BaseRepresentation
bin10110010110110001…
…10011000011100101
31010222110021102221002
423023120303003211
5144040031210041
65302545003045
7603266046644
oct131330630345
933873242832
1012002210021
1150a9a3103a
1223ab623485
131193759729
1481c03535b
154a3a5a59b
hex2cb6330e5

12002210021 has 8 divisors (see below), whose sum is σ = 12188632800. Its totient is φ = 11816001648.

The previous prime is 12002209993. The next prime is 12002210027. The reversal of 12002210021 is 12001220021.

It is a happy number.

12002210021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12002210021 - 218 = 12001947877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002209984 and 12002210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002210027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61115 + ... + 166551.

It is an arithmetic number, because the mean of its divisors is an integer number (1523579100).

Almost surely, 212002210021 is an apocalyptic number.

It is an amenable number.

12002210021 is a deficient number, since it is larger than the sum of its proper divisors (186422779).

12002210021 is a wasteful number, since it uses less digits than its factorization.

12002210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107203.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12002210021 its reverse (12001220021), we get a palindrome (24003430042).

The spelling of 12002210021 in words is "twelve billion, two million, two hundred ten thousand, twenty-one".

Divisors: 1 67 1699 105437 113833 7064279 179137463 12002210021