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12202141 = 717102539
BaseRepresentation
bin101110100011…
…000010011101
3211221221012011
4232203002131
511110432031
61113311221
7205500520
oct56430235
924857164
1012202141
116984716
124105511
1326b3003
141898bb7
1511106b1
hexba309d

12202141 has 8 divisors (see below), whose sum is σ = 14765760. Its totient is φ = 9843648.

The previous prime is 12202139. The next prime is 12202171. The reversal of 12202141 is 14120221.

It is a happy number.

12202141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12202141 - 21 = 12202139 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 (12202171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51151 + ... + 51388.

It is an arithmetic number, because the mean of its divisors is an integer number (1845720).

Almost surely, 212202141 is an apocalyptic number.

It is an amenable number.

12202141 is a deficient number, since it is larger than the sum of its proper divisors (2563619).

12202141 is a wasteful number, since it uses less digits than its factorization.

12202141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102563.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12202141 is about 3493.1563091279. The cubic root of 12202141 is about 230.2212175331.

Adding to 12202141 its reverse (14120221), we get a palindrome (26322362).

The spelling of 12202141 in words is "twelve million, two hundred two thousand, one hundred forty-one".

Divisors: 1 7 17 119 102539 717773 1743163 12202141