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121212403212314 = 260606201606157
BaseRepresentation
bin11011100011110111110110…
…001111000110000000011010
3120220011210101210022121120202
4123203313312033012000122
5111341421000210243224
61105444113113222202
734350210230355101
oct3343676617060032
9526153353277522
10121212403212314
1135692989681297
1211717938701962
13528338557395b
1421d09d6975038
15e0302d1abeae
hex6e3df63c601a

121212403212314 has 4 divisors (see below), whose sum is σ = 181818604818474. Its totient is φ = 60606201606156.

The previous prime is 121212403212281. The next prime is 121212403212319. The reversal of 121212403212314 is 413212304212121.

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

It can be written as a sum of positive squares in only one way, i.e., 99356937162025 + 21855466050289 = 9967795^2 + 4674983^2 .

It is a super-2 number, since 2×1212124032123142 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121212403212319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30303100803077 + ... + 30303100803080.

Almost surely, 2121212403212314 is an apocalyptic number.

121212403212314 is a deficient number, since it is larger than the sum of its proper divisors (60606201606160).

121212403212314 is an equidigital number, since it uses as much as digits as its factorization.

121212403212314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60606201606159.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 121212403212314 its reverse (413212304212121), we get a palindrome (534424707424435).

The spelling of 121212403212314 in words is "one hundred twenty-one trillion, two hundred twelve billion, four hundred three million, two hundred twelve thousand, three hundred fourteen".

Divisors: 1 2 60606201606157 121212403212314