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121220233322213 = 3371336291069307
BaseRepresentation
bin11011100011111111001000…
…111100100101111011100101
3120220012112121111001102002002
4123203333020330211323211
5111342033014212302323
61105451450103455045
734350605246244614
oct3343771074457345
9526175544042062
10121220233322213
11356962375617a3
1211719362a57485
13528403284278c
1421d113a85787b
15e0333a7e9828
hex6e3fc8f25ee5

121220233322213 has 8 divisors (see below), whose sum is σ = 121259912150880. Its totient is φ = 121180556706160.

The previous prime is 121220233322207. The next prime is 121220233322317. The reversal of 121220233322213 is 312223332022121.

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

It is a cyclic number.

It is not a de Polignac number, because 121220233322213 - 210 = 121220233321189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220233322203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112828706 + ... + 113898012.

It is an arithmetic number, because the mean of its divisors is an integer number (15157489018860).

Almost surely, 2121220233322213 is an apocalyptic number.

It is an amenable number.

121220233322213 is a deficient number, since it is larger than the sum of its proper divisors (39678828667).

121220233322213 is a wasteful number, since it uses less digits than its factorization.

121220233322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106307.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 121220233322213 its reverse (312223332022121), we get a palindrome (433443565344334).

The spelling of 121220233322213 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred thirty-three million, three hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 3371 33629 1069307 113363359 3604633897 35959725103 121220233322213