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121313333010012 = 2231113414139416593
BaseRepresentation
bin11011100101010101110110…
…000111101101111001011100
3120220112102220202112120111020
4123211111312013231321130
5111400044201222310022
61110002324213124140
734360412324446053
oct3345256607557134
9526472822476436
10121313333010012
1135721771941140
1211733405929650
13528ca4b8b0940
1421d584d2ab39a
15e05988d5c35c
hex6e55761ede5c

121313333010012 has 192 divisors, whose sum is σ = 340745363642880. Its totient is φ = 33098067763200.

The previous prime is 121313333010007. The next prime is 121313333010059. The reversal of 121313333010012 is 210010333313121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 290995188 + ... + 291411780.

It is an arithmetic number, because the mean of its divisors is an integer number (1774715435640).

Almost surely, 2121313333010012 is an apocalyptic number.

121313333010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121313333010012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170372681821440).

121313333010012 is an abundant number, since it is smaller than the sum of its proper divisors (219432030632868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121313333010012 is a wasteful number, since it uses less digits than its factorization.

121313333010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420804 (or 420802 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 121313333010012 its reverse (210010333313121), we get a palindrome (331323666323133).

The spelling of 121313333010012 in words is "one hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-three million, ten thousand, twelve".