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12002021202001 = 29894650143821
BaseRepresentation
bin1010111010100111000000…
…1101011101100001010001
31120111101022111022210200211
42232221300031131201101
53033120114411431001
641305352531244121
72346055162650505
oct256516015354121
946441274283624
1012002021202001
113908035092886
12141a0a4749641
13690a2a37b4bc
142d6c881d6305
1515c3005c0351
hexaea7035d851

12002021202001 has 8 divisors (see below), whose sum is σ = 12555388319400. Its totient is φ = 11457954372480.

The previous prime is 12002021201939. The next prime is 12002021202007. The reversal of 12002021202001 is 10020212020021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1364971622400 + 10637049579601 = 1168320^2 + 3261449^2 .

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 12002021202001 - 217 = 12002021070929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002021202007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2325069330 + ... + 2325074491.

It is an arithmetic number, because the mean of its divisors is an integer number (1569423539925).

Almost surely, 212002021202001 is an apocalyptic number.

It is an amenable number.

12002021202001 is a deficient number, since it is larger than the sum of its proper divisors (553367117399).

12002021202001 is an equidigital number, since it uses as much as digits as its factorization.

12002021202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650143939.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12002021202001 its reverse (10020212020021), we get a palindrome (22022233222022).

It can be divided in two parts, 1 and 2002021202001, that added together give a palindrome (2002021202002).

The spelling of 12002021202001 in words is "twelve trillion, two billion, twenty-one million, two hundred two thousand, one".

Divisors: 1 29 89 2581 4650143821 134854170809 413862800069 12002021202001