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122002221202001 = 7237310380517417
BaseRepresentation
bin11011101111010111011011…
…000011100111101001010001
3120222222022001120012122020022
4123233113123003213221101
5111442341022111431001
61111251014025553225
734461240526454630
oct3357273303475121
9528868046178208
10122002221202001
1135967940305a28
1211824a21045815
13530c9b5c06c4a
14221ad20919517
15e1885763c11b
hex6ef5db0e7a51

122002221202001 has 16 divisors (see below), whose sum is σ = 147486391474944. Its totient is φ = 98656437521664.

The previous prime is 122002221201979. The next prime is 122002221202003. The reversal of 122002221202001 is 100202122200221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122002221202001 - 218 = 122002220939857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122002221202003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5190246956 + ... + 5190270461.

It is an arithmetic number, because the mean of its divisors is an integer number (9217899467184).

Almost surely, 2122002221202001 is an apocalyptic number.

It is an amenable number.

122002221202001 is a deficient number, since it is larger than the sum of its proper divisors (25484170272943).

122002221202001 is a wasteful number, since it uses less digits than its factorization.

122002221202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10380517520.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122002221202001 its reverse (100202122200221), we get a palindrome (222204343402222).

The spelling of 122002221202001 in words is "one hundred twenty-two trillion, two billion, two hundred twenty-one million, two hundred two thousand, one".

Divisors: 1 7 23 73 161 511 1679 11753 10380517417 72663621919 238751900591 757777771441 1671263304137 5304444400087 17428888743143 122002221202001