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12122012010210 = 235404067067007
BaseRepresentation
bin1011000001100110000000…
…1110000100011011100010
31120220212000212012102102120
42300121200032010123202
53042101340033311320
641440435254525110
72360533521000624
oct260314016043342
946825025172376
1012122012010210
113953a09839a83
1214393b1366796
1369c140697b2b
142dc9cc228c14
151604c485c440
hexb06603846e2

12122012010210 has 16 divisors (see below), whose sum is σ = 29092828824576. Its totient is φ = 3232536536048.

The previous prime is 12122012010151. The next prime is 12122012010211. The reversal of 12122012010210 is 1201021022121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122012010210.

It is not an unprimeable number, because it can be changed into a prime (12122012010211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202033533474 + ... + 202033533533.

It is an arithmetic number, because the mean of its divisors is an integer number (1818301801536).

Almost surely, 212122012010210 is an apocalyptic number.

12122012010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122012010210 is an abundant number, since it is smaller than the sum of its proper divisors (16970816814366).

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

12122012010210 is a wasteful number, since it uses less digits than its factorization.

12122012010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404067067017.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122012010210 its reverse (1201021022121), we get a palindrome (13323033032331).

The spelling of 12122012010210 in words is "twelve trillion, one hundred twenty-two billion, twelve million, ten thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 404067067007 808134134014 1212201201021 2020335335035 2424402402042 4040670670070 6061006005105 12122012010210