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22120131201 = 372150477083
BaseRepresentation
bin10100100110011101…
…100110101010000001
32010002120221002111120
4110212131212222001
5330300223144301
614054543102453
71412105004300
oct244635465201
963076832446
1022120131201
119421267a73
124353ba1a29
1321169c383c
1410dbad2437
15896e5ce36
hex526766a81

22120131201 has 12 divisors (see below), whose sum is σ = 34308775152. Its totient is φ = 12640074888.

The previous prime is 22120131197. The next prime is 22120131203. The reversal of 22120131201 is 10213102122.

It is not a de Polignac number, because 22120131201 - 22 = 22120131197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120131203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75238395 + ... + 75238688.

It is an arithmetic number, because the mean of its divisors is an integer number (2859064596).

Almost surely, 222120131201 is an apocalyptic number.

22120131201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22120131201 is a deficient number, since it is larger than the sum of its proper divisors (12188643951).

22120131201 is a wasteful number, since it uses less digits than its factorization.

22120131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150477100 (or 150477093 counting only the distinct ones).

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

Adding to 22120131201 its reverse (10213102122), we get a palindrome (32333233323).

The spelling of 22120131201 in words is "twenty-two billion, one hundred twenty million, one hundred thirty-one thousand, two hundred one".

Divisors: 1 3 7 21 49 147 150477083 451431249 1053339581 3160018743 7373377067 22120131201