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12101223033 = 321779092961
BaseRepresentation
bin10110100010100101…
…00000001001111001
31011020100120211020200
423101102200021321
5144240403114113
65320443112413
7605610461424
oct132122401171
934210524220
1012101223033
11514a908a79
122418812709
1311ab115c03
1482b24a9bb
154ac5b7873
hex2d14a0279

12101223033 has 12 divisors (see below), whose sum is σ = 18507753108. Its totient is φ = 7592924160.

The previous prime is 12101223007. The next prime is 12101223041. The reversal of 12101223033 is 33032210121.

It can be written as a sum of positive squares in 2 ways, for example, as 10780045929 + 1321177104 = 103827^2 + 36348^2 .

It is not a de Polignac number, because 12101223033 - 213 = 12101214841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12101222997 and 12101223015.

It is not an unprimeable number, because it can be changed into a prime (12101223073) 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, 39546328 + ... + 39546633.

It is an arithmetic number, because the mean of its divisors is an integer number (1542312759).

Almost surely, 212101223033 is an apocalyptic number.

It is an amenable number.

12101223033 is a deficient number, since it is larger than the sum of its proper divisors (6406530075).

12101223033 is a wasteful number, since it uses less digits than its factorization.

12101223033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79092984 (or 79092981 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12101223033 its reverse (33032210121), we get a palindrome (45133433154).

The spelling of 12101223033 in words is "twelve billion, one hundred one million, two hundred twenty-three thousand, thirty-three".

Divisors: 1 3 9 17 51 153 79092961 237278883 711836649 1344580337 4033741011 12101223033