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122120121021222 = 2320669998468563
BaseRepresentation
bin11011110001000101001110…
…011011101111001100100110
3121000101120101012112000022110
4123301011032123233030212
5112001304001440134342
61111421113100141450
734502613304421202
oct3361051633571446
9530346335460273
10122120121021222
1135a02941719155
1211843845537886
13531ab54c6c09c
142222906d69b02
15e1b958041c9c
hex6f114e6ef326

122120121021222 has 16 divisors (see below), whose sum is σ = 244241426145600. Its totient is φ = 40706509656552.

The previous prime is 122120121021181. The next prime is 122120121021247. The reversal of 122120121021222 is 222120121021221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47994088 + ... + 50474475.

It is an arithmetic number, because the mean of its divisors is an integer number (15265089134100).

Almost surely, 2122120121021222 is an apocalyptic number.

122120121021222 is an abundant number, since it is smaller than the sum of its proper divisors (122121305124378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122120121021222 is a wasteful number, since it uses less digits than its factorization.

122120121021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98675267.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122120121021222 its reverse (222120121021221), we get a palindrome (344240242042443).

Subtracting 122120121021222 from its reverse (222120121021221), we obtain a palindrome (99999999999999).

The spelling of 122120121021222 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 206699 413398 620097 1240194 98468563 196937126 295405689 590811378 20353353503537 40706707007074 61060060510611 122120121021222