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12122103102 = 235473693511
BaseRepresentation
bin10110100101000100…
…01001110100111110
31011021210212122022120
423102202021310332
5144311224244402
65322510423410
7606253114314
oct132242116476
934253778276
1012122103102
11516067a52a
122423801b66
1311b2546a95
1482dd240b4
154ae33e3bc
hex2d2889d3e

12122103102 has 16 divisors (see below), whose sum is σ = 24288534912. Its totient is φ = 4033312920.

The previous prime is 12122103101. The next prime is 12122103107. The reversal of 12122103102 is 20130122121.

12122103102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122103101) 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, 1843474 + ... + 1850037.

It is an arithmetic number, because the mean of its divisors is an integer number (1518033432).

Almost surely, 212122103102 is an apocalyptic number.

12122103102 is an abundant number, since it is smaller than the sum of its proper divisors (12166431810).

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

12122103102 is a wasteful number, since it uses less digits than its factorization.

12122103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694063.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12122103102 its reverse (20130122121), we get a palindrome (32252225223).

The spelling of 12122103102 in words is "twelve billion, one hundred twenty-two million, one hundred three thousand, one hundred two".

Divisors: 1 2 3 6 547 1094 1641 3282 3693511 7387022 11080533 22161066 2020350517 4040701034 6061051551 12122103102