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12212020021001 = 16374920368227
BaseRepresentation
bin1011000110110101010100…
…0111011000011100001001
31121020110100200011010021212
42301231111013120130021
53100040204111133001
641550042522542505
72400201145320353
oct261552507303411
947213320133255
1012212020021001
1139890a7a31759
121452930967a35
136a7786063408
143030ca2100d3
151629e176c7bb
hexb1b551d8709

12212020021001 has 4 divisors (see below), whose sum is σ = 12286940389392. Its totient is φ = 12137099652612.

The previous prime is 12212020020961. The next prime is 12212020021007. The reversal of 12212020021001 is 10012002021221.

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 12212020021001 - 214 = 12212020004617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212020021007) 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, 37460183951 + ... + 37460184276.

It is an arithmetic number, because the mean of its divisors is an integer number (3071735097348).

Almost surely, 212212020021001 is an apocalyptic number.

It is an amenable number.

12212020021001 is a deficient number, since it is larger than the sum of its proper divisors (74920368391).

12212020021001 is an equidigital number, since it uses as much as digits as its factorization.

12212020021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74920368390.

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

Adding to 12212020021001 its reverse (10012002021221), we get a palindrome (22224022042222).

The spelling of 12212020021001 in words is "twelve trillion, two hundred twelve billion, twenty million, twenty-one thousand, one".

Divisors: 1 163 74920368227 12212020021001