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121211020230323 = 428053728316779
BaseRepresentation
bin11011100011110110100011…
…110011011011111010110011
3120220011122211101222211221112
4123203312203303123322303
5111341410132134332243
61105443323551143535
734350131035251452
oct3343664363337263
9526148741884845
10121211020230323
1135692339a56471
1211717611514bab
1352831c4ba320a
1421d0905012b99
15e02e9ba79818
hex6e3da3cdbeb3

121211020230323 has 4 divisors (see below), whose sum is σ = 121211052827640. Its totient is φ = 121210987633008.

The previous prime is 121211020230227. The next prime is 121211020230329. The reversal of 121211020230323 is 323032020112121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121211020230323 - 242 = 116812973719219 is a prime.

It is a super-2 number, since 2×1212110202303232 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121211020230329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9877853 + ... + 18438926.

It is an arithmetic number, because the mean of its divisors is an integer number (30302763206910).

Almost surely, 2121211020230323 is an apocalyptic number.

121211020230323 is a deficient number, since it is larger than the sum of its proper divisors (32597317).

121211020230323 is an equidigital number, since it uses as much as digits as its factorization.

121211020230323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32597316.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121211020230323 its reverse (323032020112121), we get a palindrome (444243040342444).

The spelling of 121211020230323 in words is "one hundred twenty-one trillion, two hundred eleven billion, twenty million, two hundred thirty thousand, three hundred twenty-three".

Divisors: 1 4280537 28316779 121211020230323