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121312011010310 = 2521740575579983
BaseRepresentation
bin11011100101010100100111…
…010100101100000100000110
3120220112022111121222000211022
4123211110213110230010012
5111400033444304312220
61110001545110111142
734360334502600401
oct3345244724540406
9526468447860738
10121312011010310
11357211536881aa
12117330b704b4b2
13528c89aa422b3
1421d57658a0d38
15e0590cc73925
hex6e552752c106

121312011010310 has 16 divisors (see below), whose sum is σ = 218361759391296. Its totient is φ = 48524773387968.

The previous prime is 121312011010207. The next prime is 121312011010331. The reversal of 121312011010310 is 13010110213121.

It is a super-2 number, since 2×1213120110103102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18950579 + ... + 24530561.

It is an arithmetic number, because the mean of its divisors is an integer number (13647609961956).

Almost surely, 2121312011010310 is an apocalyptic number.

121312011010310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121312011010310 is a deficient number, since it is larger than the sum of its proper divisors (97049748380986).

121312011010310 is a wasteful number, since it uses less digits than its factorization.

121312011010310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7754047.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 121312011010310 its reverse (13010110213121), we get a palindrome (134322121223431).

The spelling of 121312011010310 in words is "one hundred twenty-one trillion, three hundred twelve billion, eleven million, ten thousand, three hundred ten".

Divisors: 1 2 5 10 2174057 4348114 5579983 10870285 11159966 21740570 27899915 55799830 12131201101031 24262402202062 60656005505155 121312011010310