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122020021001 = 437338872259
BaseRepresentation
bin111000110100011110…
…1011100001100001001
3102122221210012022101002
41301220331130030021
53444344111133001
6132015532304345
711546525031314
oct1615075341411
9378853168332
10122020021001
114782613686a
121b7943120b5
13b677851578
145c9773397b
1532924c046b
hex1c68f5c309

122020021001 has 8 divisors (see below), whose sum is σ = 126568078560. Its totient is φ = 117549708192.

The previous prime is 122020020943. The next prime is 122020021021. The reversal of 122020021001 is 100120020221.

It is a happy number.

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

It is not a de Polignac number, because 122020021001 - 218 = 122019758857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020021021) 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, 19432991 + ... + 19439268.

It is an arithmetic number, because the mean of its divisors is an integer number (15821009820).

Almost surely, 2122020021001 is an apocalyptic number.

It is an amenable number.

122020021001 is a deficient number, since it is larger than the sum of its proper divisors (4548057559).

122020021001 is an equidigital number, since it uses as much as digits as its factorization.

122020021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38872375.

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

Adding to 122020021001 its reverse (100120020221), we get a palindrome (222140041222).

The spelling of 122020021001 in words is "one hundred twenty-two billion, twenty million, twenty-one thousand, one".

Divisors: 1 43 73 3139 38872259 1671507137 2837674907 122020021001