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12122122102123 = 113783358844383
BaseRepresentation
bin1011000001100110011011…
…0010000010010101101011
31120220212022112100200010211
42300121212302002111223
53042102101224231443
641440454230321551
72360536325524405
oct260314662022553
946825275320124
1012122122102123
113953a659a3730
1214394221b92b7
1369c15a432c87
142dc9dcac5b75
151604ce35719d
hexb0666c8256b

12122122102123 has 16 divisors (see below), whose sum is σ = 13745175284736. Its totient is φ = 10593086156640.

The previous prime is 12122122102087. The next prime is 12122122102159. The reversal of 12122122102123 is 32120122122121.

It is an interprime number because it is at equal distance from previous prime (12122122102087) and next prime (12122122102159).

It is a cyclic number.

It is not a de Polignac number, because 12122122102123 - 229 = 12121585231211 is a prime.

It is a super-2 number, since 2×121221221021232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122122102094 and 12122122102103.

It is not an unprimeable number, because it can be changed into a prime (12122122102163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179388411 + ... + 179455972.

It is an arithmetic number, because the mean of its divisors is an integer number (859073455296).

Almost surely, 212122122102123 is an apocalyptic number.

12122122102123 is a deficient number, since it is larger than the sum of its proper divisors (1623053182613).

12122122102123 is a wasteful number, since it uses less digits than its factorization.

12122122102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358844514.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12122122102123 its reverse (32120122122121), we get a palindrome (44242244224244).

The spelling of 12122122102123 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, one hundred twenty-three".

Divisors: 1 11 37 83 407 913 3071 33781 358844383 3947288213 13277242171 29784083789 146049663881 327624921679 1102011100193 12122122102123