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230330212012121 = 13172693874416929
BaseRepresentation
bin110100010111101111101110…
…011101111101000001011001
31010012112100112111111002010112
4310113233232131331001121
5220142212233233341441
62133512123314054105
766341544241552364
oct6427575635750131
91105470474432115
10230330212012121
1167432548a91561
12219bb655b7a335
139b6a0797c3780
1440c40827890db
151b9663da7e4eb
hexd17bee77d059

230330212012121 has 16 divisors (see below), whose sum is σ = 263615327917200. Its totient is φ = 199361997447168.

The previous prime is 230330212012097. The next prime is 230330212012127. The reversal of 230330212012121 is 121210212033032.

It can be written as a sum of positive squares in 8 ways, for example, as 7577572002121 + 222752640010000 = 2752739^2 + 14924900^2 .

It is a cyclic number.

It is not a de Polignac number, because 230330212012121 - 246 = 159961467834457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230330212012127) 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 15 ways as a sum of consecutive naturals, for example, 1937149016 + ... + 1937267913.

It is an arithmetic number, because the mean of its divisors is an integer number (16475957994825).

Almost surely, 2230330212012121 is an apocalyptic number.

It is an amenable number.

230330212012121 is a deficient number, since it is larger than the sum of its proper divisors (33285115905079).

230330212012121 is a wasteful number, since it uses less digits than its factorization.

230330212012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874417228.

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

Adding to 230330212012121 its reverse (121210212033032), we get a palindrome (351540424045153).

The spelling of 230330212012121 in words is "two hundred thirty trillion, three hundred thirty billion, two hundred twelve million, twelve thousand, one hundred twenty-one".

Divisors: 1 13 17 221 269 3497 4573 59449 3874416929 50367420077 65865087793 856246141309 1042218153901 13548836000713 17717708616317 230330212012121