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12020212201001 = 83144821833747
BaseRepresentation
bin1010111011101010110001…
…1110100111011000101001
31120120010021020220022002112
42232322230132213120221
53033414343310413001
641322001555412105
72350301030621144
oct256725436473051
946503236808075
1012020212201001
11391481a46a654
1214217208b4035
13692669034134
142d7ad214105b
1515ca17605cbb
hexaeeac7a7629

12020212201001 has 4 divisors (see below), whose sum is σ = 12165034034832. Its totient is φ = 11875390367172.

The previous prime is 12020212200989. The next prime is 12020212201003. The reversal of 12020212201001 is 10010221202021.

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 a de Polignac number, because none of the positive numbers 2k-12020212201001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020212201003) 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, 72410916791 + ... + 72410916956.

It is an arithmetic number, because the mean of its divisors is an integer number (3041258508708).

Almost surely, 212020212201001 is an apocalyptic number.

It is an amenable number.

12020212201001 is a deficient number, since it is larger than the sum of its proper divisors (144821833831).

12020212201001 is an equidigital number, since it uses as much as digits as its factorization.

12020212201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144821833830.

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

Adding to 12020212201001 its reverse (10010221202021), we get a palindrome (22030433403022).

The spelling of 12020212201001 in words is "twelve trillion, twenty billion, two hundred twelve million, two hundred one thousand, one".

Divisors: 1 83 144821833747 12020212201001