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122221202001 = 3288131413959
BaseRepresentation
bin111000111010011110…
…0111000101001010001
3102200110210202100211020
41301310330320221101
54000302111431001
6132051520310053
711554520034663
oct1616474705121
9380423670736
10122221202001
1147919756058
121b82b772329
13b6aa430292
145cb6342533
1532a4eae736
hex1c74f38a51

122221202001 has 8 divisors (see below), whose sum is σ = 162967373760. Its totient is φ = 81477915792.

The previous prime is 122221201967. The next prime is 122221202027. The reversal of 122221202001 is 100202122221.

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

It is not a de Polignac number, because 122221202001 - 27 = 122221201873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122221202071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620541 + ... + 793418.

It is an arithmetic number, because the mean of its divisors is an integer number (20370921720).

Almost surely, 2122221202001 is an apocalyptic number.

It is an amenable number.

122221202001 is a deficient number, since it is larger than the sum of its proper divisors (40746171759).

122221202001 is a wasteful number, since it uses less digits than its factorization.

122221202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442775.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122221202001 its reverse (100202122221), we get a palindrome (222423324222).

The spelling of 122221202001 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred two thousand, one".

Divisors: 1 3 28813 86439 1413959 4241877 40740400667 122221202001