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121112201321222 = 2474596312759497
BaseRepresentation
bin11011100010011010100001…
…101111001101101100000110
3120212211012202112210010211012
4123202122201233031230012
5111333300242014234342
61105330102135042222
734340032152344606
oct3342324157155406
9525735675703735
10121112201321222
113565443a291451
1211700433210372
135276aa6c97237
1421c9c0cb9cc06
15e00616392b82
hex6e26a1bcdb06

121112201321222 has 8 divisors (see below), whose sum is σ = 181668354498216. Its totient is φ = 60556083155152.

The previous prime is 121112201321159. The next prime is 121112201321357. The reversal of 121112201321222 is 222123102211121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112178 + ... + 15871674.

It is an arithmetic number, because the mean of its divisors is an integer number (22708544312277).

Almost surely, 2121112201321222 is an apocalyptic number.

121112201321222 is a deficient number, since it is larger than the sum of its proper divisors (60556153176994).

121112201321222 is a wasteful number, since it uses less digits than its factorization.

121112201321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17505462.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 121112201321222 its reverse (222123102211121), we get a palindrome (343235303532343).

The spelling of 121112201321222 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred one million, three hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 4745963 9491926 12759497 25518994 60556100660611 121112201321222