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12395220135 = 351296763727
BaseRepresentation
bin10111000101101000…
…00000110010100111
31011222211210102110020
423202310000302213
5200341134021020
65405544330223
7616110430014
oct134264006247
934884712406
1012395220135
115290862391
12249b173973
131226cc15ac
148582da70b
154c82dcc40
hex2e2d00ca7

12395220135 has 16 divisors (see below), whose sum is σ = 19834192896. Its totient is φ = 6610170528.

The previous prime is 12395220127. The next prime is 12395220137. The reversal of 12395220135 is 53102259321.

It is not a de Polignac number, because 12395220135 - 23 = 12395220127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12395220096 and 12395220105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12395220137) 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, 162642 + ... + 226368.

It is an arithmetic number, because the mean of its divisors is an integer number (1239637056).

Almost surely, 212395220135 is an apocalyptic number.

12395220135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12395220135 is a deficient number, since it is larger than the sum of its proper divisors (7438972761).

12395220135 is a wasteful number, since it uses less digits than its factorization.

12395220135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76702.

The product of its (nonzero) digits is 16200, while the sum is 33.

Adding to 12395220135 its reverse (53102259321), we get a palindrome (65497479456).

The spelling of 12395220135 in words is "twelve billion, three hundred ninety-five million, two hundred twenty thousand, one hundred thirty-five".

Divisors: 1 3 5 15 12967 38901 63727 64835 191181 194505 318635 955905 826348009 2479044027 4131740045 12395220135