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12122100000010 = 257111341271108991
BaseRepresentation
bin1011000001100110010101…
…1101101110010100001010
31120220212020222202202202001
42300121211131232110022
53042102030100000020
641440452120501214
72360535636621640
oct260314535562412
946825228682661
1012122100000010
113953a54478020
12143941691a80a
1369c155994ac0
142dc9d9bb1190
151604cc43d50a
hexb066576e50a

12122100000010 has 256 divisors, whose sum is σ = 30122054516736. Its totient is φ = 3390024960000.

The previous prime is 12122099999993. The next prime is 12122100000029. The reversal of 12122100000010 is 1000000122121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 111166615 + ... + 111275605.

It is an arithmetic number, because the mean of its divisors is an integer number (117664275456).

Almost surely, 212122100000010 is an apocalyptic number.

12122100000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122100000010 is an abundant number, since it is smaller than the sum of its proper divisors (17999954516726).

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

12122100000010 is a wasteful number, since it uses less digits than its factorization.

12122100000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109341.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12122100000010 its reverse (1000000122121), we get a palindrome (13122100122131).

The spelling of 12122100000010 in words is "twelve trillion, one hundred twenty-two billion, one hundred million, ten", and thus it is an aban number.