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12202135 = 511613637
BaseRepresentation
bin101110100011…
…000010010111
3211221221011221
4232203002113
511110432020
61113311211
7205500511
oct56430227
924857157
1012202135
116984710
124105507
1326b2cca
141898bb1
1511106aa
hexba3097

12202135 has 16 divisors (see below), whose sum is σ = 16240032. Its totient is φ = 8726400.

The previous prime is 12202129. The next prime is 12202139. The reversal of 12202135 is 53120221.

12202135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12202135 - 27 = 12202007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202139) 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, 1537 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (1015002).

Almost surely, 212202135 is an apocalyptic number.

12202135 is a deficient number, since it is larger than the sum of its proper divisors (4037897).

12202135 is a wasteful number, since it uses less digits than its factorization.

12202135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12202135 is about 3493.1554503056. The cubic root of 12202135 is about 230.2211797986.

Adding to 12202135 its reverse (53120221), we get a palindrome (65322356).

The spelling of 12202135 in words is "twelve million, two hundred two thousand, one hundred thirty-five".

Divisors: 1 5 11 55 61 305 671 3355 3637 18185 40007 200035 221857 1109285 2440427 12202135