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12023220425 = 5219169314951
BaseRepresentation
bin10110011001010001…
…11100100011001001
31011000220210212210012
423030220330203021
5144110421023200
65305015201305
7603642454526
oct131450744311
934026725705
1012023220425
11510a881507
1223b6676235
131197c04a18
14820b4414d
154a580aa35
hex2cca3c8c9

12023220425 has 24 divisors (see below), whose sum is σ = 15703786560. Its totient is φ = 9106344000.

The previous prime is 12023220401. The next prime is 12023220449. The reversal of 12023220425 is 52402232021.

It is an interprime number because it is at equal distance from previous prime (12023220401) and next prime (12023220449).

It is not a de Polignac number, because 12023220425 - 26 = 12023220361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12023220425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 796700 + ... + 811650.

It is an arithmetic number, because the mean of its divisors is an integer number (654324440).

Almost surely, 212023220425 is an apocalyptic number.

It is an amenable number.

12023220425 is a deficient number, since it is larger than the sum of its proper divisors (3680566135).

12023220425 is a wasteful number, since it uses less digits than its factorization.

12023220425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16673 (or 16668 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 12023220425 its reverse (52402232021), we get a palindrome (64425452446).

The spelling of 12023220425 in words is "twelve billion, twenty-three million, two hundred twenty thousand, four hundred twenty-five".

Divisors: 1 5 19 25 95 475 1693 8465 14951 32167 42325 74755 160835 284069 373775 804175 1420345 7101725 25312043 126560215 480928817 632801075 2404644085 12023220425