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122122212001001 = 1791657411736267
BaseRepresentation
bin11011110001000111001011…
…000100001100010011101001
3121000101202202221001210022222
4123301013023010030103221
5112001322242233013001
61111422100353123425
734503016154436152
oct3361071304142351
9530352687053288
10122122212001001
1135a03814a56213
1211844129859575
13531b0c921c324
142222a64948929
15e1ba2b8c661b
hex6f11cb10c4e9

122122212001001 has 8 divisors (see below), whose sum is σ = 122878571821920. Its totient is φ = 121366675656288.

The previous prime is 122122212000959. The next prime is 122122212001039. The reversal of 122122212001001 is 100100212221221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122122212001001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122122212001201) 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, 205571531 + ... + 206164736.

It is an arithmetic number, because the mean of its divisors is an integer number (15359821477740).

Almost surely, 2122122212001001 is an apocalyptic number.

It is an amenable number.

122122212001001 is a deficient number, since it is larger than the sum of its proper divisors (756359820919).

122122212001001 is a wasteful number, since it uses less digits than its factorization.

122122212001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411738103.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122122212001001 its reverse (100100212221221), we get a palindrome (222222424222222).

The spelling of 122122212001001 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twelve million, one thousand, one".

Divisors: 1 179 1657 296603 411736267 73700791793 682246994419 122122212001001